Allows a carrier to lawfully charge a negotiated, non - tariff rate.是什么意思？

Allows a carrier to lawfully charge a negotiated, non - tariff rate.

允许承运人合法地收取已达成协议的, 非 运价本运价.

allows

v. 允许( allow的第三人称单数 )，承认，酌增，接受；

例句
Warren also allows that capitalist development may, in its early stages, result in increased social inequality.
沃伦也承认资本主义发展初级阶段可能会导致社会不平等现象加剧。

carrier

n. 搬运人，运输公司，搬运器，[医学]带菌者；

例句
...the captain of the aircraft carrier Saratoga.
“萨拉托加号”航空母舰的舰长

to

prep. 向，朝着，到，关于，属于；adv. 朝一个方向的，到某种状态，关闭；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

lawfully

adv. 守法地，合法地，合理地；

例句
He proposed she become his lawfully wedded wife...
他请求她做他的合法妻子。

charge

vt. 装载，控诉，使充电，索（价）；vi. 索价，向前冲，记在账上，充电；n. 费用，指示，掌管，指责；

例句
Being in charge of the National Health Service reforms did not endear him to one and all.
负责国民医疗服务制度改革并未使得所有人都喜欢他。

negotiated

v. 谈判，协商，议定( negotiate的过去式和过去分词 )，兑现（支票等），通过，越过（险要路段）；

例句
The US administration would like to see a negotiated settlement to the war...
美国政府希望看到战争能以和谈方式解决。

Non

adv. 非，不；n. [法]反对票，投反对票的人；

例句
Above its doors was a Latin inscription: Non omnia possumus omnes...
门的上方刻有拉丁文铭“人非万能”。

tariff

n. 关税表，关税，价格表；vt. 征收关税，定税率，定收费标准；

例句
The daily tariff includes accommodation and unlimited use of the pool and gymnasium.
日常费用包括住宿以及游泳池和健身房的不限时使用。

rate

n. 速度，比率，等级，（利息等的）费率；vt. 估价，值得，责骂，定级；vt.& vi. 认为，把…算作；vi. 被评价，被认为，被列入，申斥；

例句
The rate of inflation is running at about 2.7 percent.
通货膨胀率大约为2.7%。