Subgroups
n. 副全宗；亚组, 子组（subgroup的复数形式）
🗣️ 情景例句
Good night, Harry.
再见。
This offer remains open until 10th February, beyond which date the terms and prices should be negotiated anew.
此盘有效期至2月10日，超过此期限条件及价格需重新协商。
You always know the right thing to say.
你说话得体。