慢速英语:Pyramid vs. Ponzi Scheme. Which One Is Worse?

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1. invest vt.投资; 花费
例句：Can I be sure of a profit if I invest?
我要是投资, 肯定能获利吗?

2. investment n.投资，投资额
例句：He knew nothing about investment; he just it went it blind.
他对投资一窍不通，只是瞎搞一气罢了。

3. financially adv.财政上，金融上，经济上
例句：We are financially on our feet.
我们在经济上是独立的。

4. comfort n.舒适; 安慰
例句：He lived in comfort.
他过得很舒服。