professional worker的用法和樣例：
例句
- The conditions under which the urban poor and professional people existed as independent social strata have virtually been eliminated.
城市貧民和自由職業(yè)者差不多已經(jīng)失掉成為社會(huì )階層的條件。 - We specialize in Professional web design and Affordable Ecommerce, providing complete and the best solution to start up businesses and professionals.
我們擅長(cháng)專(zhuān)業(yè)與經(jīng)濟的商務(wù)，為新公司以及自由職業(yè)者提供完整以及最好的方案。
