美国也是唯一一个不保障员工带薪假期的发达经济体，也是世界上仅有的两个不提供带薪产假保证的国家之一。

The U.S. is also the only advanced economy that does not guarantee workers paid vacation time, and it's one of only two countries in the world that does not offer guaranteed paid maternity leave.

youdao

唯一的不同，仅有的唯一不同，是他们已经开始认识到自己的潜能，并且已经开始发挥。

The only difference, the very only one, is that they have begun to understand what they really are and have begun to practice it.

youdao

他已经进入的这个知觉世界，是无情的造物主赐给苔丝的唯一的生存机会——是她的一切；是所有的也是仅有的机会。那么他怎么能够把她看得不如自己重要呢？

This consciousness upon which he had intruded was the single opportunity of existence ever vouchsafed to Tess by an unsympathetic First Cause - her all; her every and only chance.

youdao