broker term history No Further a Mystery
The training or occupying with the thoughts, esp. the knowing, in an Lively way; engagement in mental motion or activity: see numerous senses of…I might like to find out why he's absent or The main reason for his absence Me gustaría saber el porqué de su ausencia知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题