Momentum is said to be "conserved", that is, once you build it up, it has to go somewhere.

动量被认为是“守恒的”，也就是说，动量一旦被建立，就一定会转移到其他地方。

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Once verified the build is "deployed" to the test servers for testing.

一旦被证实，这个构建就会“部署”到测试的测试服务器。

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Once you build a path, you must stroke it or fill it before it becomes visible.

建立好一条路径后，为了使之可见，必须对它进行描边或填充。

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But once you build a micro-grid, you are committed to what you have built.

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We said that American autoworkers could once again build the best cars in the world. (Applause.) So we stood by the auto industry.

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During the current American expansion wage pressures only started to build once unemployment dropped below 5.5%.

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