每日商务英语 第83期:未知数

 英文释义 An unresolved issue; any matter involvingcontrasting opinions that has not been decided¹.

例句 Competition is fierce between the two rivals, and whowill win is still completely an open question.两个对手之间的竞争非常激烈，谁能获胜还完全是个未知数。

1 decided   

adj.决定了的，坚决的；明显的，明确的

参考例句：

• This gave them a decided advantage over their opponents.这使他们比对手具有明显的优势。
• There is a decided difference between British and Chinese way of greeting.英国人和中国人打招呼的方式有很明显的区别。