Whether this research translates elsewhere is anybody's guess.

这个研究结果是否适用于其他地方谁也说不准。

Whether Marseille will be the new face of the Mediterranean union - and whether that union will live up to the very high expectations of its supporters - is anybody's guess.

马赛是否会成为地中海合作联盟的新总部，新联盟是否会实现支持者的高期望，谁都说不准。