where it is

• 问题的关键所在；实际情况

where it is的用法和样例：

例句

1. This news report is based entirely on fact.
   这篇新闻报导是完全根据实际情况写成的。
2. The reality may be far brighter than it looks.
   实际情况也许要比看上去的要光明得多。