The phrase "crucial effort" is grammatically correct and can be used in written English.
It is typically used to refer to an important or necessary action or attempt. Example: The success of the project relied heavily on the team's crucial effort in the final stages of development.
But it is a crucial effort.
It proved to be a crucial effort on a pivotal day of the campaign.
Trying to keep higher learning as affordable as possible is a crucial effort to collapse that divide.
Some Israelis have argued that international intervention in Syria would distract the world from the crucial effort to prevent a nuclear Iran.
But the crucial effort to woo software developers to write apps for Windows 8 starts Tuesday at a four-day conference in Anaheim, Calif.
But neither you nor the county executive explicitly include the county's school districts or the scores of nongovernmental community agencies as vital factors in this crucial effort.
With the court's makeup likely to change in the next four years, the presidential election could determine how long such crucial efforts will last.
Senator Obama supports U.N.-led efforts to promote family planning; Senator McCain stands with President Bush in opposing certain crucial efforts to help women reduce unwanted pregnancies in Africa and Asia.
The powerplay caused stasis in government, and most worryingly derailed crucial efforts to build a programme of national reconciliation between bigger ethnic groups, such as Dinka and Nuer, and the dozens of others that have long clashed over control of the south's scant resources.
Crucial efforts were done to identify the key molecular players that orchestrate the tumor – stromal cell interactions, the neo-blood vessel recruitment and extracellular matrix organization [ 2- 4].
Mr. Jalali also stands at the center of a crucial American effort to increase security in the country before presidential elections next spring.
