法兰克最初是一名泥瓦匠。通过仔细观察不同工人的工作方式，他总结出了最有效率的工作程序。

Frank, who began his working life as a bricklayer, closely observed the ways in which different men performed the task and came to conclusions about the most efficient way.

youdao

法兰克最初是一名泥瓦匠。通过仔细观察不同工人的工作方式，他总结出了最有效率的工作程序。

Frank, who began his working life as a bricklayer, closely observed the ways in which different men performed the task and came to conclusions about the most efficient way.

youdao