You can spend a great deal of time making an object only for it to break in the kiln.

VOA: special.2009.09.09

And I think there was a time when that sense of dominion was used as justification for using those resources only to serve human needs.

我想，有一段时间里，这种统治感,被人们当做使用资源的借口,仅仅为了满足人类的需求。

普林斯顿公开课 - 人性课程节选

And not only was it a party school, you were going to have an amazing time for the four years and beyond.

不仅是个派对大学，而且未来四年甚至以后，都会过得很快乐。

哈佛公开课 - 幸福课课程节选

For example,she wore men's pants as clothing at a time when women wore only skirts or dresses.

VOA: special.2009.09.20

All right, so one thing that I want to point out, which I said many, many times on Friday, and this is perhaps the last time I'll say it, but one last time is we can think about why we only see a line for the 2 p orbital, versus we don't see separate lines for a 2 p x, a 2 p y, and a 2 p z.

好的，我还要指出一个问题，这个问题我在上周五已经说了很多很多次了，这可能是我最后一次提到它，但是这最后一次让我们来考虑一下,为什么我们只看到了一条，对应于，2，p，轨道的线,而不是分别对应于，2，p，x，2，p，y，2，p，z，的线？

麻省理工公开课 - 化学原理课程节选

They urged her to become a music teacher, because they said that was the only good job for a black woman at that time.

VOA: special.2010.05.09

She admitted that she got married the first time only to escape from being forced to live in a group home for children without parents.

VOA: special.2009.12.06

Also,in Darwin's time, the age of the Earth was estimated only in the millions of years too short a time some said for evolution to work.

VOA: special.2009.12.01

April is not only a time for poetry.

VOA: special.2009.04.17

on the contrary." The new government believes territorial concessions only led to terrorism and wars and that it is time for a new approach.

VOA: standard.2009.04.17

Since the space was small and climate-controlled, staffers allowed only small groups in for a few minutes at a time, which was enough to cure most people's olfactory curiosity.

VOA: standard.2010.07.30