出入

1. come in and go out

♦ 机房不能随便~。 You can't come in and go out of the motor room as you please.

♦ ~大门请下车! Cyclists please dismount at the gate.

2. discrepancy; divergence

♦ 他说的和你说的有~。 There's some discrepancy between your account and his.

~手续 entry and exit procedures~证 pass (identifying a staff member, etc.)