商务英语：今日热词——千分率

千分率（名词）

(noun) Any quantity, speed, or frequency measured "per thousand". (NOTE: compare with more common "percentage"which measures per hundred)

EXAMPLE: Highly sensitive scientific observations may require permillage calculations to identify tiny but significant changes in the data.

高敏感的科学观测可能需要千分率计算，以找出数据中微小但是重要的变化。

冒险（非正式）

(INFORMAL) To try doing something unlikely to succeed in the hope that you will be lucky; to take a risk.

EXAMPLE: Although it is supposed to rain this afternoon, we really want to go the park, so we are going to chance it.

尽管下午会有雨，可我们实在想去公园，所以就打算冒个险。