共

common sense; common knowledge; common understanding

both in name and reality; both in name and substance

information sharing

common front; united front

communism

collaborative research; joint research

(in the) same boat; (sharing a) common destiny

to share (life's) joys and sorrows (with); to share the good and the bad (with); to stick together through thick and thin

to be generally accepted; to be acknowledged by oneself and others

joint development

public facilities; utilities

public works; public-works projects; public utilities

communist

public cemetery

joint management

to spend a night together

both mother and child

public transportation; public transport

worldwide; common to the whole world; universal

as time goes by; as time went by; with the passage of time; over time

complicity (in a crime); collusion

common language; lingua franca

co-existence and co-prosperity

community property