Firstly, the export buyer's credit business made hefty growth in the total value of signed contracts for three consecutive years, achieving a breakthrough progress;

一是出口买方信贷业务实现突破性进展，签约总额连续三年实现大幅增长；

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Although water pollution caused by pulp and paper industry has been decreased in recent years mainly due to the breakthrough progress of black liquor recovery technology of non-wood pulping.

指出近年非木材制浆黑液治理已取得突破性进展，成绩显著，中国造纸工业对水环境的污染已经得到较大程度的缓解。

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Technological progress will be essential but, barring a breakthrough in nuclear fusion, it will not set us on a path to an energy system purged of fossil fuels.

技术进步将必不可少，但除非在核聚变技术上获得突破，否则我们无法借此建立一个没有化石燃料的能源体系。

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Mr. Bush himself has been on the ballot for the last time, and it will be difficult to make a second breakthrough (or further progress) in Afghanistan or Iraq by means of elections alone.

NPR: Bush Banks on Elections at Home, Abroad

Interestingly, the progress does not need to be a major breakthrough or accomplishment.

FORBES: The Progress Principle: Using Small Wins as Big Gains

After a slower start, Urszula -- currently ranked 37th -- may feel as though she is beginning to make her mark, with 2012 having proved a breakthrough year following a back problem that hindered her early progress as a professional.

CNN: Net gain