for free

基本解釋

“But why should I take all the risk and work for free?” you ask.
“可我為什么要承擔(dān)所有的風(fēng)險還要免費為這些公司干活呢？” 你會這么問。
We will do the installation for free. Because we appreciate your business.
我們會免費替你安裝，因為我們很感謝你的生意。
The fact of getting something cool for free does not make this cool thing any worse.
事實上，免費得到很酷的東西這件事本身就糟糕的不能再糟糕了。

His idea started when he heard two religious workers playing music for free in New York City's underground transportation system.
Alright, so it turns out there're two other useful types that you don't get for free out of the box.
我們還是回到這里，還有兩種很有用的數(shù)據(jù)類型,這兩種都不用擔(dān)心內(nèi)存不足。
哈佛公開課 - 計算機科學(xué)課程節(jié)選
they even have days that you can get in for free for family revisiting and you can go in.
如果你是舉家再訪，有時候你甚至能免費進去。
蒂姆伯頓最棒 - SpeakingMax英語口語達人

Schwab recently introduced a line of ETFs that its customers can trade for free.
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