比如，韩国，上个世纪六十年代的农业关税平均为7%。
South Korea, for example, had farm tariffs averaging just 7% in the 1960s.
我们目前电网的大部分技术是在上个世纪六十年代研发的，不仅资源浪费，同时也不够智能。
Much of the technology in our current electrical grid was developed in the 60s and is wasteful and not very smart.
调查同时也关注到人们自上个世纪六十年代以来，对于同性恋结婚、堕胎、家庭重要性和其它社会准则变化的看法态度。
The study also looked at people’s attitudes towards gay marriage, adoption, the importance of family and other changes in societal norms since the 1960s.
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