两元

On the opening day all tickets are a dollar; thereafter, they'll be two dollars.

开张那天票价一, 以后两。

If you are only betting two dollars, I'll book you myself.

你只下两赌注, 我可以和你赌。

The binary solid-liquid equilibrium phase diagram for fluorene and 2-methyl-diphenylene oxide is analyzed according to the experimental results.

同时根据实验结，对芴与2-甲基氧芴两物的固液平衡相图进行了推测分析。