1.
He has little aptitude for a business career.
他没有从事商业的资质。
2.
A woman engaged in business.
女实业家，女商人从事商业活动的妇女
3.
One engaged in business.
实业家，生意人，商人从事商业活动的人
4.
in business, insurance, computers, journalism, etc
从事商业、 保险业、 计算机业、 新闻业等
5.
A commercial trucker.
从事商业的卡车运输业者
6.
a person engaged in commercial or industrial business (especially an owner or executive).
从事商业或工业贸易的人（特别是业主或经营者）。
7.
the act of transacting within or between groups (as carrying on commercial activities).
两个团体间的交易活动（如从事商业活动）。
8.
To engage in(a trade or occupation); work at.
从事从事（某种商业和职业）工作
9.
active about some business
积极从事某种商业活动
10.
not connected with or engaged in commercial enterprises.
与商业企业无关的或者不是从事于商业企业的。
11.
A large, usually wholesale shop.
批发商店大的，常从事批发业务的商店
12.
connected with or engaged in or sponsored by or used in commerce or commercial enterprises.
与商业、商业企业有关的，从事或者用于商业、商业企业的，或者由商业、商业企业发起的。
13.
a career in industrial or commercial or professional activities.
从事工业、商业或者自由职业者。
14.
engages in industrial commercial enterprise.
从事工业商品贸易的企业家。
15.
Not engaged in or involving trade or commerce.
非商业性的不从事或牵涉到贸易或商业的
16.
Commercial Carriage by Public Authorities
公共当局从事的商业运输
17.
To diversify one's business is to embark on different kinds of commercial business.
多样化就是从事各式各样的商业经营。
18.
Study on Commercial Bank's Security Business Mode and Efficiency in China;
我国商业银行从事证券业务的模式与效率研究