第1个回答 2009-07-25
if you have any problem, please contact us/if you have any problem, just let me know.
第2个回答 2009-07-25
If there are any problems afterward, please feel free to contact us.本回答被提问者采纳
第3个回答 2009-07-25
You can contact us if you have any problems in future.
第4个回答 2009-07-25
If you have any problem, please contact us.
第5个回答 2009-07-25
If there's any problem in the future, please feel free to contact us.
我经常对外国客人这样说
我经常对外国客人这样说
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