1.   Critics call them a tremendous drain on resources.

2.   Such homes are a tremendous drain on the federal flood insurance system.

3.   The Chinese leadership knows that corruption is not only a tremendous drain on the economy but also a threat to the legitimacy and power of the Communist Party.

4.   The war was a tremendous drain on the already impoverished nation, and about a third of the population fled.

5.   For all its contributions to the national economy, the North is also a tremendous drain.