2·Cosmology, geology, and biology have provided a consistent, unified, and constantly improving account of what happened.
宇宙学、地质学和生物学对所发生的事情提供了一致的、统一的和不断改进的解释。
3·That's because the quest for a unified theory that would account for all the forces of nature has pushed current mathematics to its limits.
这是因为，对能解释所有自然力量的统一理论的追求已经把目前的数学推到了极限。
4·Mobile phone companies should consider whether a new charger is now needed with every handset if an old one after the unified standard can be recycled.