By this means there is always some piece of work or other to be done by them; and, besides their livelihood, they earn somewhat still to the public.

通过这种方式， 他们总是有一些工作或其他工作要做； 而且，除了他们的生计， 他们还为公众赚取一些收入。

The word " task" (task) is very commonly used in the business world to refer to some piece of work that has to be completed – some small job or some small project.

“任务” （task）这个词在商业世界中很常用来指代一些必须完成的工作——一些小工作或一些小项目。

From time to time, when we have found out that some piece of work was too disagreeable or troublesome, we have given it up and done altogether without the thing produced by it.

有时，当我们发现某件工作太不愉快或太麻烦时，我们就放弃了它，完全没有它产生的东西。