Soon, robots were stacking pallets, welding parts, painting cars and much more.

很快，机器人就开始堆垛托盘、焊接零件、给汽车喷漆等等。

So I thought I would stack up the pallets so they would take up less space.

所以我想我会把托盘叠起来， 这样它们占用的空间就更少了。