在此之前，这项实验的一些成员被允许查看他们试图去赢得支持的人员的Facebook资料。
Beforehand, some members of the trial were allowed to view the Facebook profile of the person they were trying to win over.
随着钢琴越来越普及，古典音乐也随之进入了中产阶级的生活，而在此之前，古典音乐只是为上层阶级创作的。
As pianos became more available, they brought classical music, the music which previously had been composed only for the upper classes, into the lives of the middle-class people as well.
在此之前，人们只能使用风扇。
“螳螂签证”在此之前就已存在了。
然而，在此之前它从未被广泛使用。
在此之前，酒吧里充满了烟雾，令你咳嗽，使你的头发和衣服发臭。
Before that, pubs were filled with smoke which made you cough and made your hair and clothes smell.
在此之前，在20世纪50年代和60年代，每年都有超过5万头鲸鱼被捕杀。
Before it, in the 1950s and 1960s, more than fifty thousand whales per year were killed.
在此之前，阐述部分可能仅仅来自于演员的演讲。
Before this time, exposition might have come from actors simply giving speeches.
然而在此之前，地中海是一片3000米深的大沙漠。
Before this happened, however, the Mediterranean was a vast desert 3,000 meters deep.
在此之前，气候的变化导致了海平面的剧烈波动，恐龙因此灭绝。
Changes in climate before that period caused severe fluctuation in sea level, resulting in the extinction of the dinosaurs.
飞机起飞时，我感到一阵激动，因为在此之前我从未乘飞机出去旅游过。
As the plane took off, I felt a thrill of excitement for I had never travelled by plane before.
不幸的是，在此之前，早期受欢迎的大部分非裔美国作家在现代都几乎被遗忘了。
Unfortunately, most of the early popular African-American writers have been all but forgotten in modern times until now.
这是一种简单的适应方式，能确保它们在冬季过后发芽，而不是在此之前就早早发芽。
This is a simple adaptation to ensure that germination occurs following the winter conditions rather than immediately prior to their onset.
在15世纪，印刷术得到发展，纸张成为欧洲书籍的主要材料，在此之前的主要材料是羊皮纸。
During the 1400s, when printing was being developed, paper became the predominant material for books in Europe, but prior to that, it was parchment.
直到2012年6月，我才发现你们培训中心的在线计算机课程，在此之前，我一直在家打发时间。
I was killing my time at home until June 2012 when I discovered the online computer courses of your training center.
在此之前，唯一一项分析因果关系的研究对传统观点表示支持，其基于墨西哥一个设立条件性现金转移支付（CCT）政策的地区。
The only previous study analyzing causality, based on an area in Mexico that had instituted CCTs, supported the traditional view.
在此之前，逻辑著作大多是对亚里士多德著作的释义或评论。
Logical work until then was mostly paraphrasis or commentary on the work of Aristotle.
在此之前，该所大学的学位由伦敦大学颁发。
Previously, it had awarded degrees from the University of London.
在此之前，只有上层才买得起咒符环绕其身。
Previously, only the elite could afford to surround themselves with spells.
日本的股票，在此之前持续走低。
Japanese stocks, which had already been in a downtrend continued to fall.
但是“螳螂签证”在此之前就已存在了。
在此之前，专利上诉由巡回上诉法院受理。
Before that, patent appeals went to circuit courts of appeal.
但在此之前，巴西的毁林速度已有所放缓。
But even before that Brazil's deforestation rate had slumped.
在此之前，必须关闭属于此卷组的逻辑卷。
To do that, the logical volumes belonging to that volume group must be closed.
在此之前，先简要介绍一下微格式的优点和缺点。
But before that, let me talk a little about the pros and cons of microformats.
在此之前，市场可能会经过一段“剧烈震荡”，他说。
Before that happens the markets could experience "wicked volatility," he said.
在此之前必须考虑到数据建模时可能遇到的一些问题。
Before then you must consider some of the problems you'll come up against while data modelling.
监管层称，在此之前他们不会批准韩国外换银行的交易。
The regulator has said that it cannot approve a change in KEB’s ownership before then.
监管层称，在此之前他们不会批准韩国外换银行的交易。
The regulator has said that it cannot approve a change in KEB’s ownership before then.
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