提示：点击例句中的单词，就可以看到词义解释

The stock recently ran-up $ 100 from their purchases around $ 500 . "

他们购买时的股价约为500美元，最近已升值100美元。

Subaru , for example , donates $ 250 to charity when a buyer purchases or leases a new car .

例如，只要顾客购买或租赁一辆公司的新车，斯巴鲁（Subaru）就会向慈善机构捐款250美元。

Buyers can " tip " the company when making purchases , but clearly that isn 't the business model .

买家在购买时可给予该公司“小费”，但显然这不是商业模式。

Those companies not only anticipated consumer demand but the forces that drive customer purchases as well .

这类公司不仅能预知消费者的需求，还能提前把握那些推动消费者购买的驱动力。

The big story is that people are still being careful about their corporate and personal purchases . "

当前的大环境是企业和个人购买仍然相当谨慎。”