The Big Mac index was never intended as a precise forecasting tool. 巨无霸指数从来都没想成为一个精确的预测工具。
Despite this and other limitations, they conclude that ALT may prove to be a widely available, inexpensive prognostic tool. 尽管存在种种局限性，他们依然认为谷丙转氨酶可以被证实作为普遍使用而且廉价的预测工具。
