1.instead of 代替；而不是

Second, we should go to work by bus or on foot instead of driving.
第二，我们应该去工作乘公共汽车或步行代替开车5V%M4AFzT%|。

2.add on 增加

What should i do if have submitted the order but then still wish to add on something in my cart?
我已经下了个订单，但是我漏订了一些东西，还有想加一些东西，该怎么办？

3.let alone 更不必说
The country does not yet have enough electricity for itself, let alone for export.
但是这个国家的电量连自己都不够用，更别说是用来出口了.Et5,Xiyeoy|wN。

4.in one's stride 从容；驾轻就熟
The manager and her salesclerk took the lady's grumpy complaints in their stride, but one day she really went too far.
经理和她的售货员在从容地接受了这位女士的坏脾气的抱怨，但一天她真的太过份了@a6-f!Z!%fmk(7gl6。