blue chips (n.) shares with the highest status as investments, usually shares of well-established companies蓝筹股，热门的股票

[例]  Wise investors will show great interest in blue chips.

blue-collar (adj.) relating to manual work体力劳动者
　
[例]  Your local newspaper is usually the best source of blue-collar jobs.

board meeting (n) a gathering of the directors of a company to discuss important company business董事会

[例] He will chair the board meeting tomorrow on the takeover issues.

board of directors (n.) group of people chosen by the shareholders to develop company policy董事会议
 
[例] This proposal has been approved by the board of directors.

bond (n.) contract document promising to repay money borrowed by a company or government债券

[例]  Most bonds are unsecured and do not grant shares in an organization.