这些排列向无穷大增加。

These permutations multiply toward infinity.

《柯林斯英汉双解大词典》

因为，如果这些收入或效用的增加可以化为无穷小，那我们既能使用符号表示，也能利用微分学强大的操作了。

For if these increases of income or utility are reduced to being infinitesimal, one can use both the symbolism and the powerful manipulations of the differential calculus.

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潜在的好处是无穷的，现代生活的人们每天都在获取必不可少的信息并在急剧增加。

The potential benefits are endless—a better informed and more engaged citizenry, and a dramatic increase in the ability of everyday people to access the information essential to modern life.

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