词语思考1

undergo: to experience sth that is unpleasant or sth that involves a change

undergo a revival/ an excessive schoolwork / an operation

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eligible: reasonable,suitable—having the necessary qualities or satisfying the necessary conditions

an eligible match, be eligible for sth

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court: to try to get sth, especially attention or support from other people

court public attention/approval 

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rigorous: strict

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optimize: to make sth as  good as it can be 

optimizie our use of the existing techonology/ a plan

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restruct one's life

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legacy: old but still used by some people

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aggregate: to put different items together to form a group or a total 积聚 积累

aggregate data/votes

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pledge to do =make a serious or formal promise to do sth

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weigh sth/sb down 施加压力；使焦虑沮丧