扩大活动范围; 横生枝节; 枝节横生

1. 长出枝条, 扩展范围：Hammett scale 哈梅特(酸度)标度 | branch out 长出枝条, 扩展范围 | localtraffic 本市通话(业务) 地方交通(公路)

2. 拓展业务：branch office 分公司 | branch out 拓展业务 | brand consultants品牌咨询公司,品牌顾问公司

3. 扩张到：branth off 分支出去 | branch out 扩张到 | break down (机器)抛锚,精神崩溃

4. 长出枝条：branch off 分叉 | branch out 长出枝条 | branch point 分歧点

1. 扩大范围；拓展领域
    If a person or an organization branches out, they do something that is different from their normal activities or work.

    e.g. I continued studying moths, and branched out to other insects...
           我继续研究飞蛾，并将研究范围扩展到其他昆虫。
    e.g. ASEAN has branched out tentatively into the security business.
           东盟已经尝试将合作范围拓展到安全领域。

verb

1. vary in order to spread risk or to expand

    e.g. The company diversified

    Synonym: diversifybroaden