只有递送日期在…前，我们才发出此试购订单。

We place this trial order on the condition that the delivery has to be made before...

youdao

——兹随函奉寄试购订单，若品质达到我方的期望，不久的将来我方将再予订购。

We enclose a trial order, If the quality is up to our expectations, we will place further orders in the near future.

youdao

附上300辆自行车的试购订单一纸。如货物质量能使我方满意，今后我们将大量订购。

Enclosed please find a trial order for 300 bicycles. If the quality of your product proves to be satisfactory to us, we will place large orders.

youdao