picks and shovels

短语

词形变化

only 复数

释义与例句

n.
  1. 1.

    The crucial tools or ingredients for a booming industry or enterprise.

    比喻 仅复数

词源

From the expression “When everybody is digging for gold, it's good to be in the pick and shovel business” or a variation thereof.

来源：wiktionary