A barometer is useful in predicting the weather.

气压计在预测天气方面很有用。

Yes, it's super cheesy, but again, it works.

是的，我知道非常俗，但同样的，很有用。

Do you think I'd find that useful?

你觉得我会认为那很有用？

We could always use a man like you, Nathan.

你对我们很有用，奈森。

Great, I'm sure you'll find them useful.

太好了。我肯定你会觉得们很有用。

This is something that I find really helpful.

我发现很有用。

This is very helpful, Mrs. Martinelli.

样很有用，Martinelli太太。

A large vocabulary will help much when you are doing the reading comprehension.

丰富的词汇量对阅读理解很有用。

A lot of these are really fun and useful.

些动词词组很有意思也很有用。

The money could be useful now.

而现在钱就变得很有用。

That's been a useful lesson, hasn't it Mary?

那可是很有用的一节课，对吧，玛丽？

There is a very useful expression in English which expresses this clearly.

还有一个很有用的短语可以精确地表达你的感觉。

If one gets lost in the night, such knowledge is valuable.

要是夜里迷失了航向，是很有用的。

Yeah, so erm, I think it's very useful for me as well.

是啊，我认为对我来说很有用。

If they light me up, I can be quite helpful for them.

要是把我点亮，会对他们很有用的。

Wow, that would be kind of useful, do you have any other cooking magazines?

那很有用，你有其他的烹饪杂志吗？

He was too valuable a darky to be hanged.

个黑人很有用，把他绞死可太可惜了。

Hey, that would work on me.

嘿，那对我很有用喔。

Benefit finding really works! Being an optimistic is good!

积极心态真的很有用，当乐观主义者真好！

That would be very useful to them if they were to travel some day.

如果将来有一天他们出外旅行，对他们是很有用的。