Sentence examples similar to a universal difficulty from inspiring English sources

Hyperopia (farsightedness): difficulty in seeing close objects clearly; Myopia (nearsightedness): difficulty in seeing distant objects clearly; Presbyopia: Universal difficulty in reading or seeing at arm's length, due to age.

How long it takes to learn a language does not answer which ones are hard independent of the learner's first language (nor the related question "How hard is English?") Ranking languages on a universal scale of difficulty is itself difficult and controversial.

Further experiments and applications confirmed the difficulty of designing a universal static pattern to handle different lines that may come from a huge variety of object shapes in practice.

The difficulty in developing a universal animal model is reflected in the abundant research upon cell or tissue culture models of abnormal scars.

The UN-HABITAT noted the many variations in the nature of informal settlements between and within countries and sometimes within the same city, and hence acknowledged the difficulty in having a universal definition of these settlements [ 11].

Recent findings suggest that the mechanisms by which DNA sequences affect nucleosome positioning is distinct in some species [ 6, 18, 19, 27]; and the choice of the periodical dinucleotides differs considerably from one organism to another [ 28], indicating the difficulty in finding a universal positioning code.

Chances of a universal consensus on this issue are slim due to the difficulty in defining the beginning of life.

Recursive algorithms for model update face two dual difficulties: (1) Removing transitions from a Kripke model to satisfy a universal subformula may dissatisfy some existential subformulas.

The golden thread lacks humility about the difficulty of affecting these changes, and risks appearing to offer itself as a universal blueprint for success.

The difficulties obtaining acceptable response rates by family physicians for survey participation is a universal challenge.

Indeed, the difficulties obtaining acceptable response rates from family physicians for survey participation is a universal challenge.