staples

Would you mind stapling the reports together?

你能把报告用订书钉订好吗？

The staple diet here is mutton, fish and boiled potatoes.

这里以羊肉、鱼和煮马铃薯为主食。

Phosphate has been a staple of this area for many years.

磷酸盐多年来一直是这一地区的主要产品。