因为有语境
Because of context
以上为机器翻译结果，长、整句建议使用 人工翻译 。
学校招聘外教大多是因为教学需要，语言教学比较特殊，有外文的语境对学习效果促进更佳。
Most of the foreign teachers are recruited because of the need of teaching, the language teaching is more special, and the context of foreign language has a better effect on the study.
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