标志，方向标

A significant indication of direction

例句

EXAMPLE: Each of corporation's monthly sales totals was a signpost that management watched carefully before adjusting their strategies.

公司每月销售总计是一个方向标，管理层认真观察它们，以调整战略。

满足需求

To make enough products available in order to satisfy the purchasing desires of customers

EXAMPLE: The cheap but luxurious new automobile is so popular that its manufacturer can barely keep up with demand.

新汽车价格低廉，但档次很高，极受欢迎，几乎供不应求。