The microwave and fast-food chains were the biggest catalysts ( ' , 催化剂 ), but the big food companies—which want to sell anything except the raw ingredients that go into cooking—made the home cook an endangered species.
出自-2015年12月阅读原文
柯林斯高阶英汉双解学习词典释义
N-COUNT
催化剂;诱因;诱导者
You can describe a person or thing that causes a change or event to happen as a catalyst .