Rewardable
a. reward的变形
✅ 同义词
🗣️ 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。
How are you feeling today?
今天你觉得如何？
They then knew that they had discovered the cause of the fire.
这时调查人员知道他们找到了发生火灾的原因了。