At the flick of a switch 是什么意思呢？

at the flick of a switch

只要轻轻一按开关就行了、强调开动和使用机器很容易、很快捷又容易

I can shut off all the power in the building at the flick of a switch.

只需按一下开关，我就能关闭大楼的所有电源。

The vehicle operates either on natural gas or gasoline, which can be chosen at the flick of a switch.

车辆可以在天然气或汽油上运行，可以快速又简单地转换。

The problem cannot be solved at the flick of a switch.

这个问题不是说解决就可以解决的。

The intro 

(Listening Comprehension)

Yo, it's Mr.Wong here. I hope you're doing well. Today's phrase of the day is "at the flick of a switch." "At the flick of a switch" means quickly and easily, especially by using a computer. It is also used to emphasize how easy it is to start a machine and use it, let's check it out!

没看懂？请自己查字典！

(这才是真正的学习过程)

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