Network probes are small hardware devices that are designed to passively collect data. 網(wǎng)絡(luò)探頭是小型的硬件設(shè)備，被設(shè)計(jì)成被動(dòng)地收集數(shù)據(jù)。
They stand around on the sidelines passively watching everyone else having fun playing the other roles. 他們被動(dòng)地站在旁邊，看著別人扮演這其它的角色。