✅ 同义词
🗣️ 情景例句
Do you have any coupons?
你们有优惠卡吗？
To protest against something
抗议
It was called Saving the earth and it was all about the damage that is being caused to the world.
会议叫“拯救地球”，所以全是有关地球遭受破坏的事情。