it-inCOCA¹⁰⁶⁸²²BNC¹⁴⁴⁶⁶⁴⁺³ 基本例句 abbr.个人报税识别号码Individual Taxpayer Identification Numbern.Itin人名；俄伊京 A study into the ups and downs of the female weight-cycle showed happiness- or the lack of it-in a relationship is the biggest factor. 一项针对女性体重波动的研究显示，爱情幸福与否是影响女性体重变化的最重要因素。 kekenet