First, China's current foreign exchange management system is still the capital account management system. Abnormal capital inflows under the system either can not enter China or have to take a detour.

一是中国目前的外汇管理体制还是对资本项目实行管理的体制，资本项目下不正常的资本流入要么进不来，要么必须绕道而行。

youdao

Some trades are "busted" (canceled) after the fact when the exchange finds highly abnormal market behavior.

在交易所发现市场表现极不正常之后，一些交易被取消(busted)。

youdao

Suspicious foreign exchange transaction refers to foreign exchange transaction with abnormal amount, frequency, source, direction, use or any other such nature.

可疑外汇资金交易，系指外汇交易的金额、频率、来源、流向和用途等有异常特征的交易行为。

youdao

In the aftermath of the "Flash Crash, " the Nasdaq canceled trades on a number of stocks that saw particularly abnormal activity, including Boston Beer Company, the First Trust ISE Revere Natural Gas exchange-traded fund and the Templeton Emerging Markets Income Fund.

FORBES: Magazine Article