Off companies的用法和樣例：
例句
- More recently Britain's BP bought several American oil companies, triggering a wave of oil mergers in America and Europe.
最近英國石油公司購併了幾家美國石油企業，吹響了美歐石油業界合併的號角。 - An environmental tax is therefore necessary to induce the oil companies to internalize the environmental costs that their activities impose.
因此環境稅是引導石油企業將他們造成的環境成本內化的必要手段。
