line of business;trade;occupation;profession;
(从事) engage in;
(已经) already;course of study ;

The popular ceramics industry expanded towards the middle of the 19th century.
到19世纪中期,大众制陶业得到了发展。
来源:《柯林斯高阶英汉双解学习词典》These companies are determined to keep a stranglehold on the banana industry.
这些公司决心要垄断香蕉业。
来源:《柯林斯高阶英汉双解学习词典》Shortly afterwards, cuts in defence spending forced the aerospace industry to retrench.
不久之后,国防开支的削减迫使航空航天业紧缩开支。
来源:《柯林斯高阶英汉双解学习词典》
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