名詞 line of business:

1. a particular kind of product or merchandise
   同義詞：line, product line, line of products, line of merchandise, business line
2. a particular kind of commercial enterprise
   同義詞：field, field of operation

1. Participation in tender is in our line of business.
   參加投標屬于我們的業(yè)務范圍。
2. May I know what line of business you handle?
   可以告訴我你們從事何種業(yè)務嗎？
3. If I may correct you, we don't handle this line of business, actually.
   如果我可以糾正你的話，事實上，我們不做這方面的業(yè)務。
4. In my line of business you can't afford to carry large stocks of goods which may soon be out of date.
   在我做的這種買賣內你可買不了大批存貨，因為它們可能很快就過時了。