IN

In主要在下面這些名詞后面：

* a rise in something
例句: There has been a rise in prices recently.
最近價(jià)格上漲了。

* an increase in something
例句: We have seen many increases in production levels.
我們看到生產(chǎn)水平有了很大提高。

* a fall in something
例句: There has been a fall in prices recently.
最近價(jià)格有了下降。

* a decrease in something
例句: We have seen many decreases in production levels.
我們看到生產(chǎn)水平有了很大下降。