wǒmen bù yīdìng zhú ge tíxǐng, jiànyì nín tíqián èrshí fēnzhōng qù dēngjīkǒu

我们不一定逐个提醒，建议您提前二十分钟去登机口。

We may not remind everyone individually; we suggest you arrive at the boarding gate twenty minutes early.