The key to success is to be ready from the start.

成功的关键是从一开始就做好准备。

《柯林斯英汉双解大词典》

According to Chinese traditional medicine, start of summer is a key time to moisten the heart.

中医认为，立夏是滋润心脏的关键时刻。

youdao

Students should develop the key skills before they start a project.

在开始项目之前，学生应该学习关键技能。

youdao

Now the modulation--change of key from major to back to minor as the cortege will start up again and then we-- A nice clarinet sound there and here comes our cortege with the bass.

现在变调了,从大调,变回小调,送葬行列再次启动,然后我们听到了优美的单簧管,送葬行列伴随着低音来了

耶鲁公开课 - 聆听音乐课程节选

Imagine I have a little lamp, a little goose- one of those little gooseneck lamps, I'd put it on the table here, I'd put the height about a f-- about a foot off the table. And if I was really good, - I could hit, or time it so that when I hurt- yeah, try again. When I turn this on switch on in the lamp, at exactly the same time, I'm going to hit a key on my computer and start it running.

想象下我有一个那种小雁颈台灯-,我把它放在桌子上，大概离桌子，有一英尺那么高吧,这样挺好的，我可以打开-,或者关闭这灯,并在这同时，我可以让我电脑,开始运行。

麻省理工公开课 - 计算机科学及编程导论课程节选

For example, its Windows 8 Start key provides a quick and easy way to get back to your Start Screen, while the App Switching function key allows you to quickly switch among your open apps.

ENGADGET: Logitech's K810 keyboard pairs with up to three devices, has a button for switching apps in Windows 8

While the Mobile Mouse has just the Start key and a scroll wheel, though, the bigger Comfort Mouse takes things a step further: the button there doubles as a capacitive surface you can swipe to toggle through open programs in Windows 8.

ENGADGET

To start the key exchange, Bob sends Alice two strong laser pulses separated by a precise interval.

ECONOMIST: Secure cryptography is only as safe as its weakest link