尽管巴西货币雷亚尔，自去年开始相对美元上涨了35%，使进口更加便宜，但消费者物价指数却在过去的12个月中上涨了5.2%。
Even though the currency, the real, has strengthened by 35% against the dollar since the start of last year, making imports cheaper, consumer prices have risen by 5.2% in the past 12 months.
与此相反，自己开发的解决方案很便宜，然而尽管它们适合于开发人员，但是它们却会给技术相对较差的最终用户带来不便。
Conversely, homegrown solutions are cheap, but while they are suitable for developers, they're not convenient for relatively nontechnical end users.
而医院临床使用的脑电图仪尽管价格相对便宜，但因为专用于为病人诊断病情，缺少相应的软件平台支持而不能用于BCI研究。
On the other hand, the clinical machine can not be used in BCI research because of the lack of corresponding software platform to support though it is relatively cheap.
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