Therefore the contradiction in the old contract laws needs to be abandoned. in addition the author delves into four modes of relationships between domestic contracts and international contracts.

此外，文章还对国内法与国际条约的四种关系模式及我国立法的取向进行了论述。

youdao

The next step is to find the mathematically simplest versions of such maps. (What is meant by simplicity in this case is actually quite involved.) Dr Gonthier then showed that all these maps can, in fact, be re-coloured with only four colours, establishing the theorem by contradiction.

ECONOMIST: Just what does it mean to prove something?