A soldier at the Army base in San Francisco gave him gold colored buttons and gold cloth.

VOA: special.2009.12.14

If you did it in the lab or on your computer screen, you would do it by pushing buttons.

如果你在实验室做，或者在电脑上做，你需要按键。

耶鲁公开课 - 心理学导论课程节选

My friends made my earrings out of old buttons,

我的耳环是我朋友用旧的纽扣做的，

时尚让人兴奋 - SpeakingMax英语口语达人

She also said the name was given to the large buttons on the clothes of soldiers.

VOA: special.2010.03.07

Again, I don't have data to back this up, but just common sense suggests to me that the common case is if I'm on the subway platform I want to get on that train and maybe I want to get back and where are those two buttons, right?

此外，我没有数据来备份这个，但是常识告诉我，常见的情况是,如果我站在地铁站台上，我想乘上地铁,可能我还想回来,那么哪里能找到这两个按钮，对不？

哈佛公开课 - 计算机科学课程节选

They looked at the old blue uniform with its gold colored buttons.

VOA: special.2009.12.14

So, we approached this machine here, the photograph is a little blurry, but it was very clear to us but if you zoom in on the screen and apologies for the reflections, again, this was just taken with my cell phone, you see what appear to be three huge buttons and at the top it said something like have a Charlie Card, which may very well apply to a lot of locals.

所以，我们走近这个机器，这个照片有点模糊，但对于我们来说是清楚地,如果我把它在屏幕上放大，我对这个影像感到抱歉,但是，这是用我的手机拍的,你们可以看到这里上面有三个很大的按钮,写了一些关于Charlie卡片的东西，对本地人来说是相当熟悉的。

哈佛公开课 - 计算机科学课程节选

Only one of the buttons was left.

VOA: special.2010.06.12