stock up

基本解释

If I spend more to stock up in some months, then I should be able to spend less during other months.
如果我在某些月份花费更多的钱去备货，那么我们在其他月的消费就少了。
Panic swept Tokyo, causing some residents to leave the city and others to stock up on food and supplies.
核危机在东京引发恐慌情绪，有些居民急于离开，而有些则开始囤积食物和其它物资。
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Stock up on groceries and other household items to save yourself from venturing out in public with a runny nose or watery eyes.
把杂物和其他的生活用品收起来，将自己从在公共场合鼻涕不断和眼泪汪汪的窘境中解救出来。

So is cigarette smuggling. Smugglers stock up on cigarettes in low-tax states or buy them tax-free on Indian reservations.
If the stock went up yesterday, it's more likely to go up today, than if it didn't go up yesterday.
如果股票昨天涨了，今天涨的可能性也就更大，如果昨天没涨今天也不大可能会涨。
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Some people don't even know what a dividend is, they just think of stock as something whose price goes up.
有些人甚至都不知道股利是什么,他们仅仅把股票想象为一种会升值的玩意
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Wall Street has applauded the proposed split, sending the stock up 27% since the announcement.
FORBES: Breaking Up Is Good to Do

&rarrsee stock
If you stock up on something, you buy a lot of it, in case you cannot get it later.