储备是为了稳定本币价格（一切为本币服务而不是干掉本币），不是为了赌博挣大钱。如果一个资产每年涨60%，做储备确实不合适。

Reserve currencies offer a stable store of value over time and are widely used and traded, underscoring the importance of reserve issuers' policy credibility and the depth and liquidity of their financial markets.