If the probe function returns TRUE, the frame is passed downthestream, but if it returns FALSE, the frame is dropped.
如果探测器函数返回TRUE,该帧被传递给流,如果返回FALSE,该帧将被丢弃。
3
And as we become aware our love goes forth; and our selves are moved from their moorings and would fain float downthestream of joy to its infinite goal.