Definition
Exactly what is required or desired.
正合需要
This cup of hot tea is just the thing I need right now.
这杯热茶正是我现在需要的东西。
After a long day, a quiet evening is just the thing for him.
经过漫长的一天，一个安静的夜晚正是他所需的。
This new book is just the thing I've been looking for.
这本新书正是我一直在寻找的东西。