昨天股市涨了，专家就说现在可以随便买，是建仓的好时机。
Yesterday the stock market was up, the professionals said that it's the best time to buy since it's a good market now.
她不知道应该买哪个，所以就随便拿了一套转身去了收银台。
She doesn't know which one to get so she just grabs one and goes over to the register.
是的，我要买些饮料和点心。我给您好100块，我不知道再买些什么好，您用剩下的钱随便帮我买吧。
Yes, I do. I'll give you 100 yuan . I've no idea what else should be bought . You are to buy them with the money left.
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