第1个回答 2007-08-14
Please help us answer/response the question if you are convenience.
第2个回答 2007-08-14
Please help us answer/response the question if it suits your convenience.
第3个回答 2007-08-14
could you please give some explanation if you are available
第4个回答 2007-08-14
would you please give us a hand at your convenience.
第5个回答 2007-08-14
At you convenient of time can for us answer once.