Firstly, it is from the connotative and denotative meanings of securities margin trading to generally introduce securities margin trading system.

首先，从证券信用交易的内涵及外延入手，对证券信用交易制度进行了概括介绍。

youdao

After introducing the institutional change, this chapter describes the securities margin trading system at present stage, pointing out the deficiency of margin trading.

介绍了我国证券信用交易的制度变迁，从对现阶段的制度准备做了基本叙述，并指出我国证券信用交易制度准备的不足及环境欠缺。

youdao