Make eye contact with the people passing, nod to them, gesture keen interest in talking to them at a later time, point to your phone, shrug and move on.

• 对路过的人用眼神接触，向他们点头致意，指指你的手机，耸耸肩，表示你很想与他们交谈，只是现在不行，然后继续前行。