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Tom:
Hi, I already finished the design of this product. What are your comments? 
我已经完成了这个产品的设计，你有什么想法/评论。
Jim:
Oh, I like the shape very much. If you can replace the plastic part with metal, it will be better.
噢，我很喜欢这个形状，如果塑料部分能够用金属替代就更好了。