As requested in your letter dated October 12, we sent you the samples by air parcel on October 20.
As requested in your letter dated October 12, we sent you the samples by air parcel on October 20.
回复您在十月十二日的要求，我们在十月廿日用空运包裹寄给您样品。
As requested in your letter dated October 12, we sent you the samples by air parcel on October 20.
回复您在十月十二日的要求，我们在十月廿日用空运包裹寄给您样品。