品牌一旦建立就不易撼动。

Brands, once established, are not easily shaken.

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一旦建立预算，你需要追踪各项支出情况。

After you have set up your budget you need to track your expenses in each category.

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一旦建立了工厂，就可以开始构造树了。

Once a factory is available, you can begin to construct the tree.

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Once the poleis are in place, they will spend a great deal of time fighting each other.

一旦城邦在某地建立,他们就会花上很长一段时间相互争斗

耶鲁公开课 - 古希腊历史简介课程节选

Disappointment number two, once there is a legitimate government based on consent, the only limits for Locke are limits on arbitrary takings of life or of liberty or of property.

失望的第二点，一旦经过同意建立合法政府后，对洛克来说它唯一的限制,就是不能肆意夺取生命或自由或财产。

耶鲁公开课 - 公正课程节选