New Words：

cent [sent] n. 分
percent [pərˈsent] n. 百分比，百分之…

Sample Sentences：

I don't have a cent with me.
He had five dollars and thirty cents.
We have to keep track of every cent we spend.

Thirty percent of the farmland has been planted to oil crops.
Poor families spend about 80 to 90 per cent of their income on food.

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