I could literally write an entire book on this one single concept.
关于这一点我几乎可以写一整本书来阐述。
The application represents a single concept: click a link to show the time.
该应用程序表示一个单一概念：单击一个链接来显示时间。
The notions of space and time merge into a single concept: spacetime.
“赛博空间”是一种概念空间或数字空间。
The notions of space and time merge into a single concept: spacetime.
“赛博空间”是一种概念空间或数字空间。
应用推荐