By feeling we tell what is hard from what is soft.

凭感触分辨软与硬。

《新英汉大辞典》

Did you buy soft seats or hard seats?

你买的软席还是硬席？

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The kinds of minerals in clay affect how soft or hard it is to work with.

VOA: special.2009.09.09

I would say, part of what we look at are hard quantitative factors, but probably more important than the numbers are the soft qualitative attributes.

我想,我们看重的,是一些硬性的量化因素,这可能比那些抽象的特质属性,更为重要

耶鲁公开课 - 金融市场课程节选

I'm the heterogeneous system, soft stuff, hard stuff, liquid stuff.

我是非均匀系统，有软的物质，硬的物质，液体物质等。

麻省理工公开课 - 热力学与动力学课程节选

In between soft and hard, of course, lies a range of landings of various degrees of bumpiness.

ECONOMIST: Slowing down, to what? | The

The Reef could win on soft and hard ground, which Dancing Brave, Brigadier Gerard or Nijinsky did not prove.

BBC: SPORT | Other Sport | Horse Racing | Grandstand: Have Your Say | Your all-time favourite racehorses

Pirelli said it had taken a conservative approach to tyre choices this weekend by bringing the soft and hard compounds.

BBC: Indian Grand Prix as it happened