Sources
n. 输入源；发起者；来源（source的复数）
🗣️ 情景例句
What's the reason why you left your previous employer?
你离开原来那个雇主的原因是什么？
No, it isn't. It's a bus.
不，那是一辆公共汽车。
of becoming more likely to die the older we get, was something self-evident,
人随着年龄的增长而接近死亡，这是不言而喻的，