be established in的用法和樣例：
例句
- He established his son in business.
他使他的兒子立足于商界。 - It's grounded firmly in men's actual natures.
這一套想法倒是立足于人的天性。 - The pagoda built in the Ming Dynasty is still in good repair.
建于明代的那座塔現在還完好無損。 - The airport was built during the war,but for some reason it could not be used then.
這機場雖然建于戰爭時期，但由于某種原因當時沒有交付使用。
