His success was brought about by hard work and a certain amount of good luck.

他的成功是靠他的努力和一定的機遇在线免费免费观观看看的黄色视频。

This does not happen easily. As every author knows, even a single volume requires a great deal of careful organization and hard work. All the more must we appreciate the clear view and the patience and energy which Knuth must have had to plan seven volumes and to set about implementing his plan so carefully and thoroughly.

任何一名作者都明白天天三级视频，即使是單卷本著作也需要付出大量艱苦的工作并進行嚴謹?shù)慕M織性XXXX欧美老妇胖老大多有水，我們可以想象得出高德納教授如此全面而審慎的制定了出版七卷本的計劃并令其成為現(xiàn)實所具備的清晰的大局觀和付出的過人精力尤物视频139，這并非易事，我們必須加倍感謝他的工作日韩精品草草视频在线播放。

A lot of hard work, effort, time and money can go into planning a baby shower but it is honestly a labor of love.

很多的辛勤工作人人操人人看人人干人人爽，精力，時間和金錢可以進入規(guī)劃一嬰兒洗澡，但它是誠實勞動的熱愛欧美精品视频在线观看免费。

But a moment later,after knowing that Jerry's philosophy,the road to success is hard work.

但是過了一會兒之后99视频在线免费，在得各杰瑞的哲學(xué)是，通過成功之路是努力工作一级a爱视频免费网站aaa。

This pack took a lot of hard work and effort to create.

這包了大量的艱苦工作和努力創(chuàng)造欧美精品永久在线观看。

When you do hard work, you need to wear a pair of gloves. It can protect your hands.

當(dāng)您做艱苦的工作時，你需要戴上一雙手套成年WWXX视频在线观看，它可以保護您的雙手做爽视频在线观看。

This is a piece of hard work .

這是一頂困難的工作。

These conclusions were reached as the result of intellectual hard work and not a priori statements.

他的這些結(jié)論都是智力思考的結(jié)果而非先前既有狀態(tài)日韩天天天添日日。

This project is the result of a ton of hard work over the course of months.

該項目是一個艱苦工作噸以上的幾個月中的結(jié)果www.99riav4.com。

This is real hard work and it took more than 2 months to finish with tools such as iron hammer, manpower abrader and 100 hole/ cm2 metal screens.

這是一項很笨重的工作，所用的工具有鐵錘国产精品视频一二三四五、藥碾子欧美视频专区精品第一页、100孔/厘米2金屬篩，全是手工操作中文字幕乱码亚洲无限码，用了兩個多月才完成。