act in one's own capacity or on behalf o, act in one's own capacity or on behalf of an organization, act in one's own capacity or on behalf of an organ, appear personally

通向外面的路

to travel on business, to visit (a foreign country), same as 外出訪問|外出访问[wai4 chu1 fang3 wen4]

to officially launch (a policy, program etc), to appear on stage, to appear publicly, (of a bar girl) to leave with a client

to start out on a trip, to dispatch troops