Unefficient
无效的, 效率不高的
🗣️ 情景例句
Get to the heart of the matter.
请讲问题的实质。
Not really, I'm afraid. We were delayed taking off, and we encountered a lot of bad weather.
不太好，我们起飞延误了，还遭遇了恶劣的气候。
She might have had an accident.
可能出事了。