pái / duì / shàng / chē / shí / dà / jiā / dōu / zūn / shǒu / nǚ / shì / yōu / xiān / de / lǐ / yí

排队上车时，大家都遵守女士优先的礼仪。

While lining up to board, everyone followed the etiquette of letting ladies go first.