fact of life

基本解释

That is a fact of life. Luck favors the prepared, and it also favors the persistent.
這是生活的真相，幸運喜歡有準備的人，同樣會垂青於那些持之以恒的人。
He wanted, perhaps, to write about Aids as a fact of life rather than a fact of death.
或許，他想將艾滋病作爲人生的事實來寫作，而不是將它看作爲死亡的事實。
While some of us may know more about this than others, it is a fact of life, and there is no way around it.
然而我們中的一些人比起其他的，了解這個更多，這是生活的一種真相，竝且在它周圍沒有其他方式。

Darwin would later say that this work caused him to realize the struggle for limited resources was a fact of life.
So that would probably be de Broglie's answer for why, in fact, we're not observing the wavelength behavior of material on a day-to-day life.
所以那就可能是德佈羅意關於,爲什麽我們無法再日常生活中,觀測到物質的波動行爲的答案。
麻省理工公開課 - 化學原理課程節選
My path in life was fundamentally altered by just a handful of courses at this place and this was in fact one of them.
在哈彿所學的一些課程,從根本上改變了我的人生道路,這門課就是其中之一。
哈彿公開課 - 計算機科學課程節選

This is a fact of life with which both individual and institutional investors have to deal.
FORBES: Do Mutual Funds Still Make Sense?

You say that something which is not pleasant is a fact of life when there is nothing you can do to change it so you must accept it.
If you tell a child about the facts of life, you tell him or her about sexual intercourse and how babies are born.