It is like a traffic cop.

它就象交通警察一样。

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A sweetener to a traffic cop is often placed in the ticket-book that is handed to the driver.

而向交警的贿赂常常放在本票（ticket-book[font=宋体]，将一定数量的普通票合订成本，常以优惠价格出售的车票——译注）中，后者是发放给驾驶人员的。

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Heisenberg is out for a drive when he's stopped by a traffic cop. The cop says "Do you know how fast you were going?"

海森堡开车出来时被交警拦下，交警问他：“你知道你开得有多快吗？”

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"The risk of orchestrated systems--and the reason that we're all trying to move toward more choreography--is that you can get a bottleneck if the traffic cop can only handle so much traffic at one time, " says Page.

FORBES: Magazine Article