Bonus notices were issued each year from head office to local agents.是什么意思？

Bonus notices were issued each year from head office to local agents.

分红通告每年由总公司发送至地方代理商。

bonus

n. 奖金，额外津贴，红利，额外股息，退职金，额外令人高兴的事情；

例句
The committee backtracked by scrapping the controversial bonus system...
委员会改变主意，放弃了有争议的奖金制度。

Notices

n. 注意( notice的名词复数 )，布告，警告，预告；v. 介绍( notice的第三人称单数 )，关注，关照，说到；

例句
A few guest houses had 'No Vacancies' notices in their windows.
有几家旅社在窗户上贴出了“客满”的告示。

were

be的过去时复数和第二人称单数形式，有时代替 was,用于条件从句、动词 wish 之后等；

例句
Shops, houses, and vehicles were set ablaze.
店铺、房子和车辆全都陷于火海。

issued

v. 发行（ issue的过去式和过去分词 ），发布，发表，分发；

例句
26 states have issued health advisories.
26个州已经发布了健康警告。

each

adj. 每，各自的；pron. 每个，各自；

例句
They were completely absorbed in each other...
两人彼此倾心。

year

n. 年，年纪，一年的期间，某年级的学生；

例句
The following year Parliament voted to abolish the death penalty for murder...
议会于翌年表决对谋杀罪废除死刑。

from

prep. （表示时间）从…，（表示原因）因为，（表示来源）来自…，（表示分离）与…分离[隔开]；

例句
...an abortive attempt to prevent the current President from taking office.
企图阻止现任总统连任的失败尝试

head

n. 上端，头脑，头部，首脑，首长；vt. 用头顶，前进，作为…的首领，站在…的前头；vi. 朝…行进，出发，向…方向移动，船驶往；adj. 头的，在前头的，首要的，在顶端的；

例句
His shaven head accentuates his large round face...
光头使他的大圆脸更加突出。

office

n. 办公室，办公楼，问询处，重要官

例句
The Colonial Office was absorbed into the Foreign Office.
殖民部被并入了外交部。

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。

local

adj. 地方的，当地的，本地的，局部的，褊狭的；n. 慢车，本地居民（律师、教士、医生），住处附近的当地酒店，本地新闻；

例句
In my local health centre there's about forty parking spaces...
我们本地的保健中心约有40个停车位。

agents

n. 代理人( agent的名词复数 )，作用者，（起作用或影响的）动因，（化学）剂；

例句
In many societies young men regard themselves as highly active, the agents of change, shapers of the world.
在许多社会中，年轻人将自己看成是高度活跃的分子，是变革的推动者和世界的塑造者。