1.derive from 起源；衍生

Most patients derive enjoyment from leafing through old picture albums.
大多数病人都很喜欢翻看旧相册96J3FW]=md。

Nor does scientific knowledge derive straightforwardly from experiments and observations.
科学知识也并非简单地从试验和观察中得来4FGnNdLWN*^oxHs=hz。

2.clash with 不调和；与抵触；与…发生冲突

They will televise both legs of Leeds' European Cup clash with Rangers.
欧洲杯利兹联队与流浪者队的两场争夺战都将进行电视转播oHl*K~JCW^PG。

Don't make any policy decisions which clash with official company thinking.
所作的任何决策都不要和公司官方理念相冲突a3cXfYA#Ll9,@A-1[ao。