CET6

主题方面
     the topic is
     we 'll mainly focus on ...

反面或另外一面
     Another point I want mention is
     In addition (to) ……
     Besides
     Apart from
     Aside from
     Moreover
     Furthermore
     What’s more
     On the contrary
     However
     But on the other hand
     Conversely
     By contrast
     Whereas
     A totally different picture lies in

（责任编辑：中大编辑）