He lost his kids' college money day trading.

他做生意把孩子上大学的钱赔了。

Day trading FX is a waste of time, ultimately you will lose money.

日内交易就是浪费时间，最终你将损失所有的钱财。

Unless you're "day trading," don't get in and out of the market too often.

除非你是日内交易者，否则不要频繁进出市场。

Thousands of other investors do day trading from computers in their homes.

其他成千上万的投资者通过自家电脑进行日交易。

Only about thirty percent succeed in earning enough from their efforts to continue day trading.

只有大约30%的人能从他们的不懈努力中成功赚够继续进行日交易的钱。