It is very difficult to stop the cultivation of marijuana because _____.
举一反三
- to look very carefully, especially because something is difficult to see: ______
- It is so difficult to ______ the bottom of the ocean because some parts are very deep.
- It’s difficult to tell the two sisters apart because they look very much ______.
- It's sorry difficult to___ the bottom of the ocean. Because some parts are very deep.
- Advertising is a tough business because it is very difficult to ____________ new ideas to sell the same old products.