双语和双言现象有什么区别？
文章通过对河南省非师范类高等学校在校生及在职往届毕业生普通话使用情况的调查分析，研究探讨了该人群双言使用情况和心态；
This is the report of an investigation of the use of Putonghua among students of and graduates from the non normal colleges and universities in Henan Province.
随后，他一言不发，双膝跪下，观众还没来得及叫，他已到了车子下面了。
Then, without saying a word, he fell on his knees, and before the crowd had even had time to utter a cry, he was underneath the vehicle.
他把双肘支在膝盖上，双手托着下巴，一言不发的想着什么。
He leant his two elbows on his knees, and his chin on his hands and remained rapt in dumb meditation.
老人解释说：“这一只鞋无论多么昂贵，对我尔言已经空无用了，如果有谁能捡到一双鞋子，说不定他还能穿呢？”
The old man explains to say:"This shoe are regardless how expensive, haven't used to me, if have who can pick up a pair of shoes, perhaps can he also wear?"
老人解释说：“这一只鞋无论多么昂贵，对我尔言已经空无用了，如果有谁能捡到一双鞋子，说不定他还能穿呢？”
The old man explains to say:"This shoe are regardless how expensive, haven't used to me, if have who can pick up a pair of shoes, perhaps can he also wear?"
应用推荐