Recent studies show that markedness is an essential factor determining the order of second language acquisition, and that learners tend to acquire unmarked language items before marked ones.
语言类型的标记关系是影响第二语言习得顺序的一个重要因素，学习者往往首先习得无标记的语言项目，然后才习得有标记的项目。
Word order is one of the most important grammatical devices in modern Chinese, and it is, at the same time, one of the toughest points in the teaching of Chinese as second language.
语序是现代汉语重要的语法手段之一，也是第二语言（汉语）教学的难点之一。
In order to successfully pushing Chinese into the world, it's necessary for us to be guided by Chinese research and to strengthen the basic research of Chinese as a second language.
汉语要健康、顺利地走向世界，必须以科研导航，加强汉语作为第二语言的基础性研究。
The author proposes that chunks should be systematically incorporated in the curriculum of second language teaching in order to help learners: (1) to avoid using interlanguage as much as possible;
笔者认为，在词汇教学上以语块为单位可以避免结构法和交际法两个极端。另一方面，学习基本词汇语块有助于学生：（1）尽量避免使用中介语；
The author proposes that chunks should be systematically incorporated in the curriculum of second language teaching in order to help learners: (1) to avoid using interlanguage as much as possible;
笔者认为，在词汇教学上以语块为单位可以避免结构法和交际法两个极端。另一方面，学习基本词汇语块有助于学生：（1）尽量避免使用中介语；
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