Why is it not feasible to build sea defenses to protect against erosion?
举一反三
- The was used to protect the whole population against infection.
- She put on dark glasses as a _____ against the strong light. (protect)
- Why is it important to build relationships in business?
- Making a living as a door-to-doordemands a thick skin, both to protect against the weather and against having the door shut in your face.(salesman)
- Why did the Egyptians build the stone pyramids ?