【法】 knock for knock agreement
auto; autocar; automobile; car; motor; motorcar
【机】 autocar; automobile; motorcar
each other; mutual
bump; bump into; collide; meet by chance; ram; strike
avoid; dismiss; escape; exempt; not allowed
【法】 acquit
compensate; pay for
agree on; agreement; confer; deliberation
【计】 protocol
【经】 agreement; assent; composition; treaty