The phrase "addition to the difficulty" is not correct in standard English.
The correct expression is "in addition to the difficulty," which is used to indicate that something is being added to the existing difficulty.
Example: "In addition to the difficulty of the task, we also faced time constraints."
Alternatives: "besides the difficulty" or "along with the difficulty".
In addition to the difficulty of screening out background clutter while trying to focus on one display, the visual and auditory quality of individual presentations is too poor to hold your attention.
In addition to the difficulty of fulfulling his pledge to force the Iraqis out of Kuwait, Mr. Bush's most pressing concerns at the moment are the fate of the trapped Americans, including 38 held in a Baghdad hotel, and the potential for Iraqi terrorism, aides said.
In addition to the difficulty of tracking new occupational categories, BLS-reported wage levels in the construction industry, particularly the residential construction industry, do not fully capture the low end of the pay spectrum due to the prevalence of cash pay, misclassification of workers as independent contractors, and other characteristics of the underground economy.
Syrians in the country now face public hostility and bureaucratic obstruction, in addition to the difficulty of making ends meet in an already crowded and impoverished country.Sherif Elsayed-Ali, head of refugee and migrants' rights at Amnesty International, a human-rights group, urges Egypt's government to revise its approach.
In addition to the difficulty in identifying what constitutes political intelligence, the report discusses the many hurdles that the Securities and Exchange Commission would face if it wanted to pursue an insider trading case based on information disclosed by a political intelligence firm to its clients (particularly if the firm itself does not trade directly on the information).
The poor vaccination coverage with inadequate vaccines, in addition to the difficulty in locating dogs for booster vaccinations, suggest that an inexpensive vaccine that elicits long-term immunity after a single-dose vaccination could improve control of canine rabies in developing countries.
In addition to the difficulties imposed by an eccentric father and a patrician mother, writer's uncle had to contend with his older brother, my father.
In addition to the difficulties of coordinating such a diverse range of paramilitary groups, there has also been concern at the extreme nationalist element among those fighting.
In addition to the difficulties posed by understaffed Commissions, the SEC and CFTC could see their progress slowed by changes to their funding.
In addition to the difficulties the country encountered in its effort to restructure the economy, Russia had been subjected to serious long-term environmental degradation during the Soviet period, the full extent of which became apparent only in the 1990s.
In addition to the difficulties of target prediction and small repressive effect sizes, a further complicating factor in the study of miRNAs is the relative promiscuity of their targets16.
