For example, the unit rates are preset by the buyer and seller, when both parties agree on the rates for the category of senior engineers.

例如，当买卖双方就某级别资深工程师的单价达成一致意见时，单价就由买方和卖方事先确定了。

youdao

For example, the unit rates are preset by the buyer and seller, when both parties agree on the rates for the category of senior engineers.

例如，当买卖双方就某级别资深工程师的单价达成一致意见时，单价就由买方和卖方事先确定了。

youdao