If it's out of your control, why fret about it?
如果某件事你控制不了，那为什么还要为它而烦恼呢？
And the family no longer fret about the safety of their food.
她的家人再也不用担心食品的安全问题了。
If you are anxious about the cost of evening attire do not fret.
您是否为晚礼服的价格而愁眉苦恼呢？ 其实许多正式礼服只需不到一百英镑。
We start to worry, fret and be miserable much of the day.
我们开始担心，忧虑，大部分日子都过得很痛苦。
We start to worry, fret and be miserable much of the day.
我们开始担心，忧虑，大部分日子都过得很痛苦。
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