to cancel的用法和樣例：
例句
- Better to postpone the shipment than to cancel the contract.
與其撤約還不如延期裝運。 - If the worst comes to the worst, we'll have to cancel our holiday plans.
要是情況不妙，我們就只好取消度假計劃了。 - They threatened to cancel the whole project at a stroke.
他們揚言要一下子取消整個項目。 - The heavy workload forced me to cancel the camping trip.
繁重的工作量迫使我取消去露營。
