n.智力工作；勞心工作

They arethe flowers of the human brainwork. 這 是 人類思維的花朵.

Industries based on brainwork or knowledge are called the quaternary industry. 以腦力勞動或知識為基礎(chǔ)的產(chǎn)業(yè)被稱為第四產(chǎn)業(yè)。

What inspiring chapters! They are the flowers of the human brainwork. 何等動人的一頁又一頁篇章！這是人類思維的花朵。

What inspiring chapters! They are like the flowers of the human brainwork. 何等動人的一頁又一頁篇章！這是人類思維的花朵。

But not more comfortable than we need, I can tell you, comrades, with all the brainwork we have to do nowadays. 可是同志們，我可以告訴你們，現(xiàn)在所有的腦力工作得靠我們來做，和我們所需要的程度相比，這些東西并不見得舒服多少。

Nowadays a large number of people engage in brainwork, and lack adequate physical movement. 當(dāng)今時代有很多人都從事腦力勞動，因而缺乏足夠的身體運(yùn)動。