過境

to pass through a country's territory / transit

surname Guo

to cross / to go over / to pass (time) / to celebrate (a holiday) / to live / to get along / excessively / too-

(experienced action marker)

border / place / condition / boundary / circumstances / territory

things change with the passage of time (idiom)

The issue is in the past, and the situation has changed (idiom). / It is water under the bridge.

transit visa