名词自明之理，老生常谈
truism的解释
1. 真理：GATT/WTO过去几十年的实践经验表明,这已经成为GATT/WTO法制的一项公认的真理(truism),即实际贸易的缺乏并不能成为没有违反有关规定的裁定的决定性因素,因为不能排除贸易的缺乏是由非法措施的的适用所造成的.
2. 不言而喻的道理：新军事网讯 一个在战场上不言而喻的道理(truism)是,能够夺取(contest)并维持空中战场的优越性(superiority)对战争的胜负有着关键性的影响,这也是为什么台湾拥有战斗机队是很重要的,尤其是在台海爆发大型冲突的情况下.
1. 陈词滥调;不言自明的说法
A truism is a statement that is generally accepted as obviously true and is repeated so often that it has become boring.
e.g. Orpington seems an example of the truism that nothing succeeds like success...
奥尔平顿似乎验证了一个常理——一事成功百事顺。
e.g. Whilst this might sound like a truism, it is nevertheless a crucial problem to address.
尽管这可能听起来像是老生常谈，但却是待解决的重要问题。
noun
1. an obvious truth