这个问题回答起来并不容易，而在你投身股市之前，有必要先弄明白它是如何运作的。

To further complicate things, economic situations like a recession can throw many things off.

有些时候事情会变得更加复杂，比如衰退一类的经济状况，它会让很多东西都乱套。

For instance, just because an economy goes into recession, doesn't mean that prices will fall.

比如，当经济衰退的时候，价格并不一定会下降。

In fact, it's the opposite for things like housing. Quite often, prices go up because supply is down and demand is up. This rise in prices is known as inflation.

实际上，对于房市来说恰好相反。通常由于供给下降而需求升高，价格会上涨。这种上涨就是我们所知的通货膨胀。

Interest Rates and Exchange Rates

利率与汇率

Interest rates and exchange rates also cause fluctuations in the markets.

利率与汇率也会给市场带来波动。

You will often hear e conomists express concern over these. When interest rates go down, people tend to buy and borrow more. Yet, this can cause interest rates to rise in the end.

你会经常听到经济学家们对此发表关切。当利率降低的时候，人们倾向于买更多的东西、借更多的钱。而这最终会导致利率升高。

Exchange rates refer to how the currency of one country compares to those of another. These are key components in the global economy.

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