科技改变生活 · 科技引领未来
the bus station is on the left,and the hospital is on the right,公共汽车站在左边,医院在右边,the bus station is on the left,and the hospital is on the right,公共汽车站在左边,医院在右边,
应该是“left-behind”,意思是留下的,遗留的。举个例子left-behind children,就是我们常说的留守儿童。
robots