为了表达的需要，学生运用所学的语言知识，重新组合语言材料，这体现了语言的创造性特征。

In order to express, students need to use language knowledge, the combination of language materials, which reflects the language creative features.

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康说：“与城市学生相比，也许农村学生需要一种表达自己感受的方式，也需要更多的倾听。”

Kang said, "Compared with students in the city, perhaps students in the countryside need a way to express their feelings and be heard more."

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虽然我们都有依恋的需要，但表达方式不同。

While we all have this need for attachment, the way we show it differs.

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Data's what we expect. It's our way of representing fundamentally the kinds of information we want to move around.

数据是我们一直需要的,它是用来表达我们想要操作的,数据类型的基本方式，这里。

麻省理工公开课 - 计算机科学及编程导论课程节选

And in fact in one with the girl describing her side, she several times emphasizes this need for protection, need to be free from being torn down from people around them.

事实上像一个女孩子表达的那样，她好几次强调了需要保护的愿望，需要逃离那些打倒她的东西,逃离身边的人们。

麻省理工公开课 - 媒体、教育、市场课程节选

You need to make your case succinctly and effectively, but you always get a hearing including me.

你需要把你的意见,表达得简洁有效，总统总会听取别人的意见，包括我。

普林斯顿公开课 - 国际座谈会课程节选