____: n. eagerness and willingness to do sth. without needing to be told or forced to do it 动力
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____: think (sb.) is good and will achieve good things 相信
____: (infml) like (sth.) very much 热衷于
____: vt. use a lot of time and effort trying to get (sth. such as work or money) 追寻
____: (used to make a suggestion) 为什么不