8.they've mastered their emotive grunge-pop without haggling with the Man.
他们没有同老板讲价钱就把他们那喧闹煽情的流行歌曲灌制成唱片。
9.It's not difficult to understand this world when you mastered the internal relations of things.
了事物的内部联系你就不难理解这个世界。
10.This fact indicates that China has already mastered, and has been continuously improving, its dispenser design technique.
这些事实明中国早已并不断发展分配器设计技术。
11.The energy released by the watch engine, the barrel, must be mastered, controlled and distributed parsimoniously at a rate corresponding to the real flow of time, to its exact measure.