1、The Echo was disproportionately read by skilled manual workers and by the middle-aged and old.
Echo的讀者比較局限，大都是體力勞動(dòng)者，中年人和老人。

2、A lot of manual workers will lose their jobs as a result of robots using.
機(jī)器人的使用將使很多體力勞動(dòng)者失業(yè)。

3、Manual workers often earn more than office workers do.
體力勞動(dòng)者通常比腦力勞動(dòng)者賺的多。

manual workers翻譯