Some people feel attracted to system trading, others to discretionary trading.

一些人喜欢系统交易，一些人喜欢自主交易。

youdao

System trading is not for everyone - a lot of people do not like handing the power over to a computer.

系统交易并不适合所有人——很多人都不喜欢把权利交给电脑。

youdao

Economic prosperity depends critically on an open world trading system.

经济繁荣关键取决于一个开放的世界贸易体系。

《柯林斯英汉双解大词典》

said a banking expert. "Day trading" is a system that lets investors trade directly on an electronic market system.

VOA: special.2009.04.26

Day trading companies provide a desk and a computer system to an investor who wants to trade.

VOA: special.2009.04.26

most sweeping emissions trading system companies would have to buy permits for every ton of carbon they emit, a system designed to provide financial incentives for those that reduce their pollution.

VOA: standard.2009.05.03

Until now, the exchanges have routed orders through a system called Intermarket Trading System.

FORBES: A New Worry For Wall Street

The banking watchdog is now planning to introduce an inter-dealer broking system for trading bonds.

ECONOMIST: South Korea

But no unfriendly takeover is possible, given the Dutch system of trading in non-voting certificates rather than shares with voting rights.

ECONOMIST: BolsWessanen