a sign of 造句
1.He thought that crying was a sign of weakness. 他认为哭是懦弱的表现。 2.Cutting school more than once in three months is a sign of trouble. 3个月内旷课次数超过一次就可能有麻烦了。 3.The involvement of the foreign ministers was itself a sign of progress 外交部长的介入本身就是取得进展的一个标志...