但是，如果保护树林有钱可赚的话他的观点（做法）可能会改变。

But if money to preserve trees were on the table his views might change.

youdao

如果保护知识产权重要，那么要先保护网络被过分的强制实施破坏。

If protecting intellectual property is important, so is protecting the Internet from overzealous enforcement.

youdao

由此，他推测，如果保护最先垮掉的那部分，其他部分就不会坍塌了。

So, he reasoned, if the pieces that break first can be protected, the rest should never fail.

youdao

So, fuel economy and environmental conservancy make a lot of sense if you care about such things, of course.

所以，油价和环境保护,是很有意义的,如果你关心这样的事，当然会更好。

麻省理工公开课 - 固态化学导论课程节选

If you're on a witness protection program or you're sort of fugitive you probably don't want to sit on the front roll.

如果你在证人保护计划之内,或者是个逃犯级人物,就尽量不要坐在前排了

耶鲁公开课 - 心理学导论课程节选

There's a line that I'm going to be developing, pushing, if you will, or defending in this class.

我用一条线来表示，如果你愿意推动或者保护这个课题。

耶鲁公开课 - 死亡课程节选