time to time: 一次又一次
We all think this from time to time.
我們都時(shí)常會(huì)想起這個(gè)問題。
We all need cheering up from time to time although strategy, sadly, is not usually the most uplifting topic.
我們都需要時(shí)不時(shí)地振奮一下盡管不幸的是，戰(zhàn)略并不經(jīng)常是最令人振奮的話題。

as a matter of fact: 事實(shí)上
As a matter of fact people are in a scarcity mentality.
事實(shí)上，人與人之間的心靈交流比較少。
As a matter of fact, even without losing a pound, you will feel better as soon as you start eating right and exercising.
事實(shí)上，不需要減體重，只要你正確飲食、多做鍛煉了，你就會(huì)感覺很好。