1. THE logic in favour of purchases of vaccine firms seems irrefutable. 热衷于购买疫苗公司的理念似乎是无可争议的。
2. However, when I first psychologically from time to time, to my disappointment is irrefutable. 然而,当我刚定下心来的时候,给我的失望实在是无可辩驳。
3. Knowledge is wealth, knowledge is power, and knowledge is the source of economic and scientific development. This is an irrefutable truth. 知识就是财富、知识就是力量,知识就是经济、科学等方面的源泉,这是颠扑不破的真理。