And They Fall Behind 并且他们落后
They fall behind by an average of over two months in their reading.
他们落后平均超过两个月的阅读量。
They fall behind by an average of over two months in their reading. Richer children actually improve their performance.
在平均阅读时间方面,他们要落后两个多月,而富裕家庭的孩子用这段时间可以更上一层楼。
She said the system will be programmed to react to the user’s progress. If they fall behind on their goals, more motivation will be sent.
{7}她说,经编程设计,系统将会根据使用者的进度作出反应,如果他们没有实现目标,系统将会发出更多的鼓励。
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