1. 最明显的原因_______,因此_________

  The most obvious reason for this phenomenon is that ______________.

  Consequently, ______________.

2. 无论你喜欢与否，_____已经变得越来越流行，这是有原因的

  No matter you like it or not, AAA has become more and more popular and there are

  many reason for it.

3. 对我们来说，改变这个不利的环境________是非常紧急的