虽然是小本经营，但买卖经营得法而情况甚佳。

It was a small business, but it was wisely managed, and it kept out of the hole.

youdao

亚当斯公司经营这笔买卖。

The sale was handled by Adams Commercial.

《牛津词典》

没有因为受不了你的投资者的要求的压力而无法开始经营自己的买卖的。

There's no point in launching a business that will eventually sink under the weight of your investors' demands.

youdao

They're not trading in securities, although they would deal in securities as a part of the underwriting process.

他们不买卖证券，虽然在经营证券,是他们承销的一个环节。

耶鲁公开课 - 金融市场课程节选

Public securities are securities that the SEC will accept as suitable for the general public and private securities are securities that have not been vetted by the SEC for the general public.

公共券商是指那些经证交会审核通过,适于面向大众经营证券买卖的证券公司,而私募券商是指那些未经,证交会审查,面向大众的证券公司

耶鲁公开课 - 金融市场课程节选