Vaction variable

variable ['vɛrɪəbl]

adj. 变化的，可变的;[数]变量的;[生]变异的; n. 可变因素，变量;易变的东西;

vari=vary变化+able形容词后缀→易变的

You got it.

你算说对了。

Don't be anxious if I'm late.

如果我回来晚些也不必担忧。

I'm afraid I can't agree with you. That's a good way of giving information, but it's not a good way of persuading people. For one thing, it's boring, and people aren't going to read an ad that looks boring. For another thing, one computer looks very like

恐怕我不能同意你的意见。那是个通报信息的好办法，但并非是使人信服的好办法。一是它很乏味，人们是不会去读一则看起来很乏味的广告的。其次，计算机彼此都很相像。人们不会记住产品的名字的。