He got out his keys and his billfold and buttoned them into his shirtpocket.

他拿出钥匙和皮夹， 把它们扣在衬衫口袋里。

We then applied some smart filtering and signal processing to adapt those buttons into something more like a slider or a digital potentiometer.

我们又进行了一些智能筛选和信号处理，把这些按钮改良成类似滑动条或者数字电位器的设计。

He put on his tight pants but did not button them up, nor did he put the gold button into his shirt collar as he always did, because he planned to take a bath.

他穿上紧身裤， 但没有扣扣子， 也没有像往常一样把金纽扣塞进衬衫领子里， 因为他打算去洗澡。