Shíyóu tuōlāsī céngjīng lǒngduàn le zhěnggè shìchǎng.
The oil trust once monopolized the entire market.
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Phonetic loan from English 'trust', referring to the late-19th-century US business form (Standard Oil, US Steel, etc.). Most often appears in 反托拉斯 ('antitrust'). The native term 垄断 (monopoly) is more common in everyday writing.
