Discretionarily
adv. 任意地, 自由决定地
🗣️ 情景例句
Don't mention it.
别提了。
What's been the consumer reaction to your product?
消费者对你们的产品有过什么反映？
its action depends on the surface, water or ground, over which it rides.
它的飞行取决于它所悬浮的水面或地面。