be at issue

• prep. 有争论(在争论中)

be at issue的用法和样例：

例句

用作介词 (prep.)

1. The nationality of the minority groups in that country is still at issue.
   在那个国家的少数民族的国籍问题上仍有争论。
2. The reason I talked about those two points was that at the time they were controversial.
   我之所以要讲这两条，是因为当时有争论。