换汤不换药
- na.change the liquid but not the drugs -- a surperficial reform
- 网络a change in name only; the mixture as before; make a superficial change

换汤不换药
1.change the liquid but not the drugs -- a surperficial reform; a change in name only; change in form but not in content; make a superficial change; offer the same old stuff but with a different label; old stuff in new concoctions; the same old stuff with a different label
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