证券公司 zhèngquàngōngsī brokerage Origin Definitions Defs Strokes Stroke Words Sentences Sents 2 sentences 他在一家证券公司工作。 tā zài yī jiā zhèngquàn gōngsī gōngzuò. He works at a securities firm. Source: Dong Chinese Dictionary他在那家证券公司开了一个股票账户。 tā zài nà jiā zhèngquàn gōngsī kāi le yī gè gǔpiào zhànghù. He opened a brokerage account at that securities firm. Source: Dong Chinese Dictionary