江苏欣盛科技有限公司:请翻译"It is based on the economic importance of the country."

请翻译"It is based on the economic importance of the country." It is only recently that ballet have been based on the themes reflecting American life.这个怎么翻译 请帮我翻译下it is no breaths sighing It is known that theory is based on practice and in turn serves practice. "It is open,but........."见补充说明，翻译地对不对？ it is all there is to it.怎样翻译? 请翻译"the best is jet to come" "Here it is "会不会矛盾? evidence-based如何翻译？ 地名-based怎么翻译