speculate [ˈspekjʊleɪt] v. 推测，猜测；投机，做投机买卖

例句 As for why self-oriented perfectionism seems to be on the rise in the U.S., it may be because of our hyperindividualistic culture “where pressure is on the individual to succeedandself-gain is prized above all else,” Curran

speculates.【2018-8《美国新闻与世界报道》】

至于自我导向型完美主义在美国似乎越来越常见，可能是因为我们高度个人主义的文化，“在这种文化中，个人肩负着要成功的压力，而且人们把自我提升看得高于一切。”柯伦猜测。

派生 speculation [ˌspekjʊˈleɪʃ(ə)n] n. 推测，猜测；投机，投机买卖

speculative [ˈspekjʊlətɪv] adj. 推测的，猜测的；投机性的，风险性的

v. 承担，担任