Computers were expensive. Cost per instruction executed can be can be used to compare the cost of computers over the last three decades.
计算机以前是很昂贵的，过去三十年曾以执行每条指令的费用来衡量计算机的价格。Oh, it was the least I could do. After all, we would have been married thirty years next Tuesday.
喔，那只不过是我最起码所能做的事了。毕竟，到下星期二我们结婚就满三十年了。Over the past 30 years, he says, 'there has never been a recession where the recovery has been so anemic as this one. '
他表示，过去三十年的经济萧条中，没有一次复苏像这次一样如此乏力。China came out of its shell three decades ago due to vigorous engagement with, not lectures from, Washington and Brussels.
由于华盛顿和布鲁塞尔提供强劲的融资担保，才使使中国从三十年前的腐朽情形里走了出来。训斥不能解决问题。Yet there was an old picture of his mother, taken over thirty years ago.
曾经有一张母亲的照片，三十年以前照的。yet at another place he mentions clearly that the word communism " hasn't been used for 30 years" .
在另一地方他又明确讲到“三十年不曾使用”共产主义一词的事。In just three decades 'childhood' has been cut back by a year and a half as youngsters develop earlier.
在过去的短短三十年里，童年期由于青少年的过早发育被缩短了一年半。In 2008, the Japanese ODA to China which had been up to nearly 30 years officially declared over.
2008年，实施了长达近三十年的日本对华ODA也正式宣告“毕业”。As a result of thirty years of development, Chinese legal studies have given rise to a large number of legal works and legal scholars.
中国法学三十年发展，产生了为数众多的法学作品和法律学人。