任何这样的试验结果都无从预测，因为其他国家的经验从来都不可能是另一个新体系的完美向导 — — 不同环境其形势也决不会相同。
The outcome of any such experiment is impossible to foresee, because other countries’ experience can never be a perfect guide to a new system – the situation is never exactly the same in a different environment.