trade for用…换…
In concept it can be stated in one short sentence: banks can't trade for their own account.
理论上，它可以用一句话概括，即银行不能进行自营账户交易。
If you trade for a bank and keep missing profit targets, your manager will pull your trading privileges.
如果你为银行交易，结果总是亏钱，你的经理会不让你继续交易。

get rid of 除掉，去掉; 涤荡; 革除; 摈除
Taskrabbit allows me to get rid of all the errands and busywork.
TaskRabbit让我摆脱了奔波和忙碌。
She had a mad urge to write a check and get rid of him.
她疯了似的想快速涂写支票，想赶快摆脱他。

be about to 将要，正打算
Things could be about to change.
这一切可能将面临改变。
That may, however, be about to change, and in an unexpected way.
不过，现在这种情况也许就要发生变化了，而且这种变化让人意想不到。