证: Ⅰ动词(证明) prove; verify; demonstrate 短语和例子查证 investigate and verify; 论证 expound and prove; 求证 seek to prove; 证几何定理 demonstrate [prove] a geometric theoremⅡ名词1.(证据) evidence; proof; testimony
商业: commerce; trade; business 短语和例子商业不景气 commercial depression; 商业支票 commercial paper; 与 ... 进行商业贸易 carry on commerce with ...; 轻视商业 despise trade; 他从事商业。 he is engaged in commerce. 商业已变得肃条。 c