求翻译：但后来经过一番思考，我觉得在工作上也存在一定的失误，在销售结束之后，李先生购买了该产品是我知道的事情，那么在销售结束之后，我也应该定期发送产品的信息给李先生，让李先生可以定期了解到产品的情况。是什么意思？

However, after some thought, I think there are some mistakes at work, after the end of the sale, Mr. Lee purchased the product is the thing I know, then after the sale, I should also periodically send information to Mr. Lee, Mr. Lee can understand the product on a regular basis.

But then after some thought, I think that there is also work in a certain amount of mistakes, and after the sale, Mr. Lee has purchased the product, I know, it is in the sales end, I should also send the product information to Mr. Lee, Mr. Lee would be a regular for the product.

But afterwards passed through a ponder, I thought also had certain fault in the work, after sales conclusion, Mr. Li has purchased the matter which this product was I knew, then after sales conclusion, I also should the regular transmission product information for Mr. Li, enable Mr. Li to be possibl

But later, after some consideration, I think there's mistakes at work, after the sale is over, he purchased the product that I am aware of things, after the sale is over, I should also periodically send product information to Mr LEE, Mr LI could learn on a regular basis.

正在翻译，请等待...