不易之论[bù yì zhī lùn]
词典unalterable truth：不易之论。
词典不易之论的近义词
词典a sound [irrefutable] statement
词典a thesis or an opinion that cannot be altered：不易之论。
词典不易之论在线翻译
词典irrefutable argument：不易之论。
不易之论[bù yì zhī lùn]
（内容正确， 不可改变的言论） unalterable truth; a sound [irrefutable] statement; a thesis or an opinion that cannot be altered; irrefutable argument; perfectly sound proposition
1. 这三个阶段的发展至晚周时期已基本完成，且礼的理论形态也经过自晚周至汉代儒家的制作与处理，并把它视为不易之论、归之于经书当中，所以，礼的三个发展阶段所含有的内容也因之而成为礼在后来延续过程中所一直具有的三个基本内容。
The threestages had been basically completed by the later Zhou Dynasty and after processed by theConfucianists from the later Zhou Dynasty to Han Dynasty, its theoretical form wasrecorded in the works of Jing as an unchangeable theory. Consequently, the content of Liin the above three stages remained three fundamental components in the continuousdevelopment afterwards.