adv.被动地；顺从地
Network probes are small hardware devices that are designed to passively collect data. 网络探头是小型的硬件设备，被设计成被动地收集数据。
They stand around on the sidelines passively watching everyone else having fun playing the other roles. 他们被动地站在旁边，看着别人扮演这其它的角色。
adv.无感情地
