reckless trading

• 粗心的贸易

reckless trading的用法和样例：

例句

1. Russia has the most reckless, but at the same time skillful, drivers, and the most careless pedestrians in the world.
   俄罗斯有世界上最横冲直撞但同时技术又最娴熟的驾驶员，以及最粗心的行人。