历史学家工艺的讽刺之处在于，它的实践者总是知道，他们的努力只是对一个永无止境的过程的贡献。

The irony of the historian' s craft is that its practitioners always know that their efforts are but contributions to an unending process.

youdao

一些实践者还进行静脉切除术。

Some practitioners also perform phlebectomy.

youdao

一个实践社区的会员就是实践者。

Members of a Community of Practice are practitioners.

youdao

Okay, be warned; I'm a practitioner of the higher naivete.

好了,注意,鄙人就是"高级天真"的实践者

耶鲁公开课 - 古希腊历史简介课程节选