Fail-safety
[计] 故障保险, 失效保险
🧩 词语组成解析
fail
[fel]
vt.& vi. 失败，不及格;倒闭，破产;缺乏;衰退;
vi. 衰退;失败，不及格;破产;不足;
vt. 不及格;使失望;忘记;舍弃;
n. 失败，失误;不及格;不及格者;[商]期货交割失期;
fals, fall =err,deceive,表示”犯错误,欺骗”
🗣️ 情景例句
Make sure you file this invoice straight away; I don't want it being misplaced.
记得现在就把发票给开了，我可不想弄错了。
Knavery may serve,but honesty is best.
欺诈可能有用，诚实却是上策。
We can handle an order that size very easily.
这种量我们做起来很容易。