知足常乐: satisfied with what one has (idiom)...
敬业: to be dedicated to one's work, to respect one's work...
挂号: to register (at a hospital etc), to send by registered mail...
抽奖: to draw a prize, a lottery, a raffle...
划算: to calculate, to weigh (pros and cons), to view as profitable, worthwhile, value for money, cost-effective...
自以为是: to believe oneself infallible (idiom), to be opinionated...
验: to examine, to test, to check...
镶嵌: to inlay, to embed, to set (e.g. a jewel in a ring), tiling, tesselation...
累计: to calculate the running total, cumulative, total, in total...
各个: every, various, separately, one by one...
