I believe pre-order options are highlighted in PURPLE (with an *) on top of existing choices (LIGHT GREEN colors)
so I'd always pre-order if possible too, especially ex-TPE
See below example (in Chinese though) for TPE-YYZ
航次:BR0036 TPE-YYZ 供應期限至:2013/8/31
晚餐 主菜餐型
嫩煎頂級Prime牛排佐松露珍菇醬
無錫腩排
(養生)紫蘇梅醬鱈魚
*檸香烘羊排佐迷迭香草醬
*嫩煎鮭魚佐芝麻燻鮪魚輕食沙拉
*嫩煎香草豬菲力佐波特醇酒醬
*養生紅棗枸杞淮山炆雞肉
*岩燒杏鮑菇佐齋香三杯醬
*嫩煎鮮蝦干貝佐香草奶油醬
*極品鮑魚芙蓉豆腐
*我不需用餐 << no meal
航次:BR0036 TPE-YYZ 供應期限至:2013/8/31
活力熱點 主菜餐型
寶島清粥
嫩煎培根捲雞肉佐配乳香錦菇青醬斜管麵
鼎泰豐雞湯麵