On the one hand, we should make efforts to improve the economy; on the other hand, we must keep balance between development and environmental protection.
举一反三
- On the one hand,we should develop our economy;____,we should protect the environment.
- The hotel says we must book our room ________, at least one week in advance A: on hand B: before hand C: at hand D: to hand
- We should focus ______ the environmental protection and improve the ecology .（ ） A: on B: 0f C: from D: in
- We must ______ people to the importance of environmental<br/>protection.
- On the one hand, I agree with you; but on the other hand, we shouldn't forget that productivity costs are not always lower in the long run.