事实是，全球化有利有弊。

The reality is that globalization has two sides.

最初确定论题的宽窄有利有弊。

There are several advantages and disadvantages to initially asking broad or narrow questions.

但旅游业是有利有弊的，因为尽管它能繁荣国家经济，海礁却会被破坏。

But tourism is double-edged, for although it's boosting the country's economy, the Reef could be damaged.