Groups
n. 群组, 组；用户组；团体（group的复数形式）
🗣️ 情景例句
We can write letters. It's cheaper than calling.
我们可以写信就好，那比打电话便宜。
Did you go to the park yesterday?
你昨天去公园了吗？
Over the years, one may well become a authority on one's hobby and will very probably be asked to give informal talks to little gatherings and then,
一人积了多年经验会成为自己这种爱好的权威，很可能应邀在小型集会上作非正式的讲话。