现金周转

• 金(gold; metal (figurative))ASSOCIATIVE

Metal is an ancient image of precious metal hidden underground, gleaming and sparkling.

• 冂(surround; border)RADICAL
• 土(earth; soil; ground)ASSOCIATIVE
• 口(mouth; door)ASSOCIATIVE

A territory surrounded by boundaries like earth and gates enclosed all around.

• 車(vehicle; cart; car)RADICAL
• 專(specialize in; concentrate on)PHONO-SEMANTIC

A wheel keeps spinning in one direction, so it's called rotating or turning.