Qs
abbr. 质量标准（Quality Standard）；质量规范（Quality Specification）
🗣️ 情景例句
but I think we should face the truth.
但我认为我们应面对现实。
You (or One) cannot make a silk purse out of a sow's ear.
粗瓷碗雕不出细花来。
But we do not need to send men down to get the oil out, as we must with other mineral deposits.
但是，我们不必像开采其他矿藏那样，把人送到地下去把石油取出。