如果没有算清楚你能不能负担得起房子就急于购买，那么你极有可能执着于一套你根本买不起的房子。

Without first figuring out how much house you can afford, you risk falling in love with one you can't.

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不过，他还没有计算清楚一台喷气发动机是否可以干扰逆温层并把污染物吹离城市上空，所以他正打算测试这一假设。

However, he has not calculated whether a jet engine could disrupt the inversion layer and allow the pollution to escape the city-so he is now going to test that hypothesis.

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