agent

1. N-COUNT An agent is a person who looks after someone else's business affairs or does business on their behalf. 代理商[商业]

You are buying direct, rather than through an agent. 你在直接购买，而不是通过代理商购买。

2. →see also travel agent

3. N-COUNT An agent in the arts world is a person who gets work for an actor or musician, or who sells the work of a writer to publishers. (艺术界的) 经纪人

My literary agent thinks it is not unreasonable to expect $500,000 in total. 我的文学经纪人认为预期总共50万美元并非不合情理。

4. N-COUNT An agent is a person who works for a country's secret service. 间谍

All these years he's been an agent for the East. 这些年来他一直为东方国家做间谍。

5. N-COUNT A chemical that has a particular effect or is used for a particular purpose can be referred to as a particular kind of agent. 剂

...the bleaching agent in white flour. …白面粉中的漂白剂。