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1.teeter on 濒临
The hotel is teetering on the brink of bankruptcy.
这家旅馆正濒临破产。
2.tighten purse 节省开支
Now is the time to tighten purse strings and reassess budgets.
这周末，不要担心自私。现在就勒紧钱包，重新评估你的预算
3.on the brink of 濒临
There are still new species being discovered: plants, birds, chameleons, lemurs, tortoises that we might not yet know about, that could be on the brink of extinction.
这里还在不断发现新的物种：植物、鸟类、变色蜥蜴和乌龟，我们可能还不太了解这些物种，但它们可能将濒临灭绝。
4.emerging markets 新兴市场
But what should residents of emerging markets do?
但新兴市场的民众又该怎么办呢？
5.sales tax 销售税
This figure includes the sales tax. Some states use income tax in addition to sales tax to raise their revenues.
有些州除了征收所得税，还要加征销售税，以提高州政府的每年的收入。
