很难下定义.It is ill to be defined.从下定义的角度来看,证据不见得是确凿可靠的.The evidence, by definition, is not likely to be conclusive.空是无法下定义解说的, 正如最柔的东西是无法剪断的一般.Nothingness cannot be defined; t he softest thing cannot be snapped....
Likewise directories themselves you should be able to annotate.同样地目录他们自己你应该可以注解.However, I knew I needed my own book to annotate.可是我知道我需要自己拥有来做笔记.Some people annotate as they read.有的人一面读书一面做注解....