只要量度學生嘅笑容 研究員就可以預測到 被研究嘅人嘅婚姻 有幾美滿同長久 響統一嘅快樂測驗入面 研究對象會得到幾多分 又有幾啟發人
As long as the smile of the student is measured, the researcher can predict how happy and long-lasting the marriage of the person being studied is, and how many points the subject will score and how much inspiration the subject will receive in the unified happiness test