What else can be done? David Crystal(2000) lists six factors that he believes can help resuscitate an endangered language. An endangered language will progress if its speakers.
虽然它不是非常有效的方法来帮助宝宝的睡眠,如果你不知道还有什么可以做,这种方式值得一试。
While it's not very effective way to help your baby sleep, if you don't know what else you can do, this way is worth trying.
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