This is useful for irrigation, but the high temperatures, low humidities, and different day lengths of the dry season, compared to the normal growing season, can present difficulties with some crops.

这对于灌溉是有用的，但是旱季的高温、低湿度和不同于正常生长季节的白昼长度，会给一些作物的生长带来困难。

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Life is very stressful nowadays, so it is useful for us to talk about how to cope with stress.

现在的生活压力很大，所以谈谈如何应对压力对我们很有用。

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This is useful for large indices.

该类对于大型索引非常有用。

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This method is useful for making very detailed objects.

VOA: special.2009.09.09

If I were" is useful for talking about things that you hope for, things that you imagine to happen,

If I were”在谈论你渴望的事情和想象会发生的事情时非常有用。

If I were 课堂 - SpeakingMax英语口语达人

But the kind of exercise we did last time is a useful exercise for those of you who are Econ majors.

但是我们上节课做的练习,对经济学专业的同学是非常有用的

耶鲁公开课 - 博弈论课程节选

Fine, but that implies it is useful for someone to be selling these kinds of instruments.

ECONOMIST: The contract between society and banks will get stricter

The format is useful for backing up hard drives and manipulating large video and audio files.

FORBES: Standards tangle

This is useful for quickly returning the screen orientation to the desired state when the user is lying down.

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