My boss gives me a free hand in deciding which outside contractor to use.

老板让我自主决定聘用哪家外部。

We got estimates from three different contractors before accepting the lowest.

我们得到三个报价后, 接受了最低报价。

Contractors were able to remove a large ceiling soffit that also had divided the space.

办能够拆除大片天花板背面，这样也可以分隔空间。

Contractors winning construction jobs had to kick back 2 per cent of the contract price to the mafia.

赢得建筑工作得抽出合同价格百分之二回扣给黑手党。

The building work is now behind schedule, but contractors are confident that they can make up for lost time.

这项建筑工程前落后于预定计划，但是人有信心把失去时间补回来。

Therefore in the construction contract uses the advanced payment, the contractor may exercise unassured pleadings to guard project funds is delayed in payment.

因此，在适用预付款合同中，可以行使不安抗辩权，以防范工程教拖欠。