我們是轉開信用狀，通常3~4天，此外我們藥廠通常都是TT，所以前置作業

我們是轉開信用狀，通常3~4天，此外我們藥廠通常都是TT，所以前置作業會更長

結果 (英文) 1:

We turned over the letter of credit, usually 3 ~ 4 days, in
addition, our pharmaceutical factory is usually TT, so the pre-operation will be longer

結果 (英文) 2:

We're turning on credit, usually three to four days,
Besides, our drugmakers are usually TT, so the front work will be longer.

結果 (英文) 3:

We open letters of credit, usually for three to four days,
In addition, our pharmaceutical plants are usually TT, so the pre operation will be longer