翻译成英语,谢谢,我会给你退款,谢谢

Dear, if in August 20, if haven't received your package. Please write and tell me.I will for you to send a new product by registered mail, or you can apply for a refund, I will give you a refund, thank you.
望采纳

Dear,
if you don't receive the package on Aug 20th, pls let me know. I will send to you another product by tracking package.
Or you can also apply for refund then. I will arrange for you.
Thanks.

希望我的回答能够帮到你！
Dear, if you haven't received your package in August 20th. Please write and tell me.
I will use registered mail to send a new product for you, or you can apply for a refund, and I will give you the refund. Thank you!