Qs
abbr. 质量标准（Quality Standard）；质量规范（Quality Specification）
🗣️ 情景例句
we'll send you a letter of appointment and can sign a full distributor contract.
我们将给你们送上一份聘书，并签订一份总的销售合同。
The more, the merrier.
多多益善。
The underground railway runs 24 hours a day, and there are all-night cinemas, bars and restaurants.
地铁一天24小时不停地运营。还有通宵电影院、酒吧间和餐馆。