Databases cannot cover copyrighted materials that are usually not found on the free Internet, and they cannot support a more controlled and focused search of their contents.
举一反三
- _____ inspecting the contents of the cases, we found that the total contents.
- You cannot search my house without a search ____________.
- Making mistakes inevitable, so do not be discouraged. A: cannot be blamed B: cannot be avoided C: cannot last long D: cannot be found
- They cannot _________ to offer much support or advice.
- A free morpheme cannot occur as an independent word.