Yes, it should be extended soon.
是的，它应该是很快要扩大了。
The boundary of theory of teaching should be extended.
教学论的边界应该扩大。
For those that are not available, should the source applications be extended?
对于不可用的那些，是否应扩展源应用程序？
For those that are not available, should the source applications be extended?
对于不可用的那些，是否应扩展源应用程序？
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