预售
yūshòu · HSK 7
sell in advance
🎫 预售 = 预 (pre-, in advance) + 售 (sell) = pre-sell, sold before release
预 carries the pre- sense (as in 预约 pre-arrange, 预报 forecast); 售 means sell (as in 出售 put up for sale). Stack them: selling that happens ahead of time, like tickets or a flat sold before it is built.