Before your time.

抓紧时间。

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Before putting away the guitar or stopping your dance lessons, you should think how you could divide your time between studying and hobbies.

在放下吉他或停止上你的舞蹈课之前，你应该考虑如何在学习和爱好之间分配你的时间。

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Before you share your thoughts, think about what the powerful person cares about—it may be the credibility of their team or getting a project done on time.

在你分享你的想法之前，想想有权有势的人关心的是什么——可能是他们团队的信誉，或是按时完成项目。

youdao

If that's all it knows, then in that scenario there is no building or anything else; it continues a trajectory both forward in time and backward in time, and it says that whatever seconds, one second before you set your clock to 0, it would've been on the ground.

如果是这样,在那种模式下,没有楼房或者别的什么,物体的运动轨迹可以沿时间可以向后延伸,也可以向前延伸,不管时间取什么值,在零点前一秒时,物体就在地面上

耶鲁公开课 - 基础物理课程节选

Instead of having to redo your paper copy minutes before your game time, the app will tell you which player is short playing time.

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The goal is to quickly verify that people are interested in what you plan to create, before you sink your time, energy and money in creating it.

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Make your point and make it fast before you lose your face-time with your audience.

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