必须: must; have to; be obliged to ...有: 5年 fifteen years专家: specialist; expert; proficie ...的: 4次方是 The fourth power of 2 i ...照管: look after; tend; be in char ...必须有: entail; suppose工程的照管: care of works人必须有自信: you have to believe in yourself. that’s the secret of success. - charles chaplin专家的: specialistic有专家预测到: some experts have predicted文件的照管和提供: care and supply of documents规定，正本必须有“正本”: original还必须有卓越策略: strategy of preeminence仅凭处方,必须有处方: prescription-only basis非专家的: nonspecialist刑事专家的: criminalistic专家的意见: expertise; opinion专家的证明: expert testimony承包商对工程的照管: contractor's care of the works必须有托运人的身份证明: must be signed by the carrier and the shipper而男人也必须有他的伴侣: and man must have his mate就必须有高明的策略: if you want to be a successful politician you must make yourself able in tactics你必须有自己的主见。: you should have a mind of your own你对学生必须有耐心: you must be patient with your students我们必须有好的日子: got to be some good times ahead
