to play a crucial role in causing other things in life to work the way they are supposed to
在某事中发挥重要作用
extra details that are added to a plan, idea, etc. that make it more complete or much better
额外的细节
(of a person) behaving in a manner that is very exciting and attracts others' attention
有魅力的人
something that is very common and therefore, not very high on price and value
非常便宜并且大量可用
used to refer to something that does not deserve one's attention due to not being important or interesting enough
不重要
something that is completely worthless in terms of importance, value, or use
完全无用或毫无价值
a person who is less qualified or important when compared to others in a company or organization
技能相对较差的人
someone who is considered as an extra or unwanted person in a situation, especially in presence of a couple
和情侣一起出去的人
something very important and serious that cannot be joked about or underestimated
严重的事情
anything that is intended to take people's focus away from what is important
转移别人注意力的事情