It is certainly very cheap. But as time changes, the chance may not come again.

这东西的确很便宜，但随着时间的变换，这种机会或许不再来。

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But as time went on, she noticed changes in her son.

但是，时间长了，她注意到了儿子的变化。

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But as time went on, she noticed changes in her son.

但是，时间长了，她注意到了儿子的变化。

youdao