2018年公共英语考试pets4级写作精选短语积累(5)

 　　brand x

　　a marketing classification describing a product that doesn't have a highly visible or recognized name like a well-known product or "brand name"

　　EXAMPLE:

　　It was decided to buy brand x because it was less expensive.

　　bread and butter

　　(noun)

　　the primary or leading means of financial support, existence, or survival

　　EXAMPLE:

　　Bicycle manufacturing provides the company's bread and butter.