英语翻译关于G78的样板,我已经发送给你在上周,但一些问题需要跟你讨论.正如之前跟你提及由于手工印刷这种工艺的特性,我们

As for the sample of G78,I sent it to you last week.But there are still some problems to be discussed with you.
As I mentioned to you before,due to the nature of such manual printing processing,the color difference in this type of products can not be avoided,and this was confirmed by you finally.

关于G78的样板，我已经发送给你在上周，但一些问题需要跟你讨论。 On the G78 model, I have sent to you last week, but some problems need todiscuss with you. ...

Regarding to the sample G78, have already sent to you last week, however, there is some details we need to discuss.
As mentioned earlier, due to nature of the manual printing process, the difference in colouration of the finished products which is unaviodable. Which you had confirmed.

Boilerplate about G78, I have already sent to you last week, but some problems need to discuss with you.
As mentioned to you before due to the nature of the manual printing process, we can't avoid color difference appears on the product, finally also received your confirmation.
（请采纳）