你能从日期判定一份定单是否已履行，合同或协议是否已生效，或者是一份汇票是否已支付，因此，它不能写错或遗漏。

You can decide from the date line whether an order is fulfilled, a contract or an agreement is in effect, or a bill is paid. Therefore, it shouldn't be wrongly written or be omitted.

youdao

你能从日期判定一份定单是否已履行，合同或协议是否已生效，或者是一份汇票是否已支付，因此，它不能写错或遗漏。

You can decide from the date line whether an order is fulfilled, a contract or an agreement is in effect, or a bill is paid. Therefore, it shouldn't be wrongly written or be omitted.

youdao