It's not for me to say why he left.
不适宜由我说出他离开的原因。
The university is on the left bank of the river.
大学在河的.左岸。
The children are completely out of control since their father left.
这些孩子自他们的父亲离开后就无法无天了。
It's one of the few countries where people drive on the left.
这是为数不多的几个靠左行驶的国家之一。
Very young children should not be left to play without supervision.
不能让幼儿在没人照看的情况下独自玩耍。