As it has for more than two centuries, progress will come in fits and starts.
两个多世纪以来，一直如此，我们总会断断续续地取得进步。
As you may know that most people in China learn English by fits and starts.
正如你所知道的，中国大多数人学习英语都是忽冷忽热。
As you may know that most people in China learn English by fits and starts.
正如你所知道的，中国大多数人学习英语都是忽冷忽热。
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