David 真的是一个认真负责而且很专业的顾问，每次都能给出很多修改和意见，用的词很多都是我没见过的哈哈，反正很高大上，可能他是学英文出身的吧，总之强烈推荐
Thank you David, I really appreciate your work, you are a very responsible advisor, i will recommend you to my friends too. ;-)
Thank you for the 5-star rating and the positively glowing comments - I'm glad to have been of such useful assistance.
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David 真的是一个认真负责而且很专业的顾问，每次都能给出很多修改和意见，用的词很多都是我没见过的哈哈，反正很高大上，可能他是学英文出身的吧，总之强烈推荐
Thank you David, I really appreciate your work, you are a very responsible advisor, i will recommend you to my friends too. ;-)
Thank you for the 5-star rating and the positively glowing comments - I'm glad to have been of such useful assistance.