It's alleged that Jobs asked engineers on the original iPod team to stay up all night fiddling with the headphone jack so that it made a more satisfying clicking sound.

据说，乔布斯曾让最初的iPod团队的设计师们通宵熬夜反复调试耳机插孔，以保证它能发出更令人满意的咔嗒声。

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Jack never wanted to stay in one place for very long, so they were always on the move.

杰克从不想在一个地方久留，所以他们总在辗转奔波。

《柯林斯英汉双解大词典》

Good morning, Jack! You look so sleepy today! It was Friday.

早上好，杰克！你今天看起来很困！那是星期五。

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At the same time Fred Allen and Jack Benny were making America laugh, so was Bob Hope.

VOA: special.2009.03.09

So Jack Benny decided to become a comedian.

VOA: special.2009.03.09

So,he chose the name Jack Benny.

VOA: special.2009.10.11

How about 1080p and an external mic jack so we can take this to the next level?

FORBES: When Will Flip Add the Jack?

Oh, and while there are Virtualphone built-in, there's also a headphone jack, so you can bring your own pair.

ENGADGET: Sony HMZ-T2 3D display, heads-in (video) HD

These include the increasingly popular 3.5mm pass-through jack (so friends can plug in and share your music), a collapsible design, a detachable part-coiled cable and in-line remote.

ENGADGET