1、discount
减价;折扣
They are often available at a discount.
它们经常进行打折销售。
Full-time staff get a 20 per cent discount.
全职员工享受 20% 的折扣。
给…打折;打折出售
This has forced airlines to discount fares heavily in order to spur demand.
这迫使航空公司对机票大幅打折来刺激需求。
Tour prices are being discounted as much as 33%.
旅行价格打了 6.7 折之多。
认为(某种思想、事实、理论)不重要;不全信;认为…不相关
However, traders tended to discount the rumor.
然而，商人往往不相信这一谣传。
This theory has now been discounted.
这个理论被打了折扣。
2、take off
(飞机)起飞
We eventually took off at 11 o'clock and arrived in Venice at 1.30.
我们终于在11点起飞，1:30 到达威尼斯。
(产品、活动、事业等)腾飞，突然成功
They need to expand the number of farmers who are involved if the scheme's going to really take off.
这个方案要想真正成功，他们就需要增加参与的农场主的人数。
In 1944, he met Edith Piaf, and his career took off.
1944 年，他结识了伊迪思·比阿夫，从此他的事业开始腾飞。
(突然)离开，走开，走掉
He took off at once and headed back to the motel.
他立刻离开，回到汽车旅馆。
He took himself off to Mexico.
他突然动身去了墨西哥。