But no system can completely protect us from the problem of lower asset returns.
但是没有什么体系能够完全保护我们不受资产缩水的困扰。
If a problem is not completely understood, it is probably best to provide no solution at all.
如果不能完全了解一个问题，大概最好别提供任何解决之道。
If a problem is not completely understood, it is probably best to provide no solution at all.
如果不能完全了解一个问题，大概最好别提供任何解决之道。
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