But only if they operate at near capacity, otherwise, their overall efficiency is poor.

但只能是在它们接近满负荷运转的情况下，否则整体效率就会很低。

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If you're standing nearby, the birdhouse will also give you a free Wi-Fi connection—but only if pollution level is low enough.

如果你站在附近，鸟舍也会给你免费 Wi-Fi 连接，但前提是污染水平得足够低。

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Peretti says the Times shouldn't waste time getting out of the print business, but only if they go about doing it the right way.

佩雷蒂说，《纽约时报》不应该把时间浪费在终止印刷业务上，而应该采取正确的方式去解决这件事。

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It might help some get into a top college, but only if they have above-average scores in the first place.

VOA: special.2009.09.17

The "parable of the vineyard" assures us that God rewards us regardless of our hard work and investment, but only if we're called, only if God chooses us.

葡萄园的寓言“使我们确信,无论我们是否努力工作都会得到上帝的奖励，但除非上帝选择了我们。

耶鲁公开课 - 弥尔顿课程节选

So the open curly brace followed by the closed curly brace means everything inside of these curly braces should get executed, but only if that first condition is actually true.

所以左花括号后面跟着,右花括号，这意味着花括号里面所有的代码,都应该是要被执行的，但只有当第一个条件是正确的。

哈佛公开课 - 计算机科学课程节选

We can beat them, but only if we can get to the starting line.

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But only if you stick to buying and holding onto a few broad market indexes.

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But only if customer service can have those water-cooler moments with product development and marketing.

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