The principle argument used to defend the current practice of continuing to use fossil fuels is that it's too expensive to set-up solar systems.

我们现在之所以仍在使用化石燃料的其中一个说法是因为安装太阳能系统的成本太高。

youdao

Argument strength is also critical. The basic principle is that when arguments are strong, you need to do everything to make people concentrate on them.

论述的力度也很关键，基本的一条原则就是论述强有力时，要尽努力让听众把注意力放在论证本身。

youdao

So the principle of the uniformity of nature which underlies every inductive argument, which can't itself be argued for because arguing for it takes us in a circle.

所以自然统一性的原则是，每个归纳论点背后，都不能证明自己，因为这是循环证明。

youdao

The principle part of the argument is simple enough.

ECONOMIST: Affirmative action

Mr Kennedy argued that for the moment, winning the argument for the principle of PR was more important than deciding on which of the various systems was chosen.

BBC: Kennedy: 'Campaign against Tories'

Labour health spokesperson Jackie Baillie said there was no argument about the principle of the government's policy but it would be tested on how it was delivered on the ground.

BBC: Rehabilitation and Enablement debate 1