It's incontrovertibly proves by history that specialization of labor established on the basis of equality and mutual ben历史雄辩地说明，中美之间建立在平等互利基础上的劳动分工是最为合理和实用的国际关系。
The pairs figure skating and ballroom dance, both staged last Wednesday, are unmistakably, incontrovertibly gay.毫无疑问，于上周三举行的双人花样滑冰和交际舞大赛的参赛者们也是同性恋人。