Backing a power station in Vietnam, secured against the future income of the plant, might seem a good bet to a pension fund manager looking for assets to match long-term liabilities. 投资者的日子也没有好过多少。对一名物色资产以匹配长期负债的养老基金经理来说,投资越南的一座发电站并以该电站未来的收益作为担保,似乎是个不错的押注。