Yahoo! And Microsoft have been talking, off and on, since last year.(雅虎和微軟自去年起進(jìn)行了斷斷續(xù)續(xù)的談判。)

We worked for a couple of weeks (off and on) and finally solved this problem.(我工作了兩個(gè)周(斷斷續(xù)續(xù)的)最終解決了這個(gè)問(wèn)題。)

Rather, this is something that I have been thinking about, off and on, for some time.(相反，這是我一直在思考的，斷斷續(xù)續(xù)地一段時(shí)間中形成的。)

Those levels represent a one or zero, just as the off and on states of a transistor correspond to zero or one bits of data in traditional computing.(這些能量態(tài)的水平代表0或者1，就像傳統(tǒng)計(jì)算機(jī)使用晶體管的開關(guān)狀態(tài)來(lái)代表數(shù)據(jù)位0或1一樣。)

The next step was the lengthy process of turning parts of the system off and on to see what made a difference.(接下來(lái)一個(gè)漫長(zhǎng)的過(guò)程開始了，他們把系統(tǒng)的各個(gè)部分逐一打開、關(guān)閉，看看前后有何區(qū)別。)

Lest readers charge me with conflict of interest, I should add that, though we've stayed in touch off and on, we've never socialized.(為了避免讀者指責(zé)我利益沖突，我應(yīng)該補(bǔ)充一點(diǎn)，雖然我們保持著時(shí)有時(shí)無(wú)的聯(lián)系，我們從來(lái)沒(méi)有一起社交過(guò)。)

Florescent lights can leave your eyes tired as they are flickering off and on and your eyes have to adjust constantly.(熒光燈的頻閃使你的眼睛不得不持續(xù)調(diào)節(jié)，這會(huì)使你的眼睛疲勞。)

I have been studying Japanese off and on for ten years.(我已經(jīng)斷斷續(xù)續(xù)學(xué)日語(yǔ)有10年了。)

He was a former industrial-arts teacher whom my mother dated off and on for much of my childhood.(他以前是教工業(yè)藝術(shù)的老師，在我童年的記憶中，他和媽媽總是分分和和。)

By increasing or lessening the hours of darkness in each day, the scientists have been able to turn plant growth off and on like an electric switch.(用增加和減少每天黑暗小時(shí)數(shù)的方法，科學(xué)家已經(jīng)能夠控制植物生長(zhǎng)，如同控制一個(gè)電器開關(guān)。)