“pay dirt”refers to the Central Valley. It means _____ ：
举一反三
- Shasta Dam is the keystone to the entire Central Valley project.
- ( ) of water makes Death Valley a desert, but it is by no means devoid.
- CPU refers to central Processing Unit.
- A sop to Cerberus refers to means of ( ).
- What does the title Lions, Tigers and Bears Mean?（ ） A: It refers to the Zoo in Central Park. B: It symbolizes the fear Central Park inspires.