when abroad ,they read the newspaper every day.in order to keep up with the internal situation.为什么会是when abroad,怎么会这样表述呢.不懂,还有in order

when abroad ,they read the newspaper every day.in order to keep up with the internal situation.
为什么会是when abroad,怎么会这样表述呢.不懂,还有in order

when they were abroad 的省略
in order to 为了