For science — as for politics and economics — 2011 was a year of upheaval, the effects of which will reverberate for decades. The United States lost three venerable symbols of its scientific might: the space-shuttle programme, the Tevatron particle collider and blockbuster profits from the world's best-selling drug all came to an end. But the year also saw stirrings of science's future: hopes that research might blossom following the Arab Spring; cheap vaccines rolling out in Africa; and the first fruits of genome sequencing being used in the clinic. All this was overshadowed by the triple trauma of Japan's devastating earthquake, tsunami and nuclear meltdown, and a continual chipping away at science funding as nations struggled with the financial crisis.

在科技论文中曾经流行避免使用“I”或“we”，因为这样表述显得主观，而科学应该是客观的。然而，科学并非完全客观，可适当使用第一人称(“I” or “we”)进行科技写作，如果期刊禁止这种用法，或者句子的焦点为研究对象

We are pleased to invite you to join us in Sydney in July 2013 for the 9th... and for 2013 we promise you an interesting and high quality program. So half a

9 月 10 日，2020 大健康产业高质量发展大会暨第五届中国医药研发·创新峰会（PDI）在重庆启幕，大会隆重发布了《2020 中国药品研发实力排行榜》系列 6 大榜单，在最受瞩目的《2020 中国药品研发综合实力排行榜 TOP100》（以下简称《总榜》）中，复星医药名次较去年攀升 2 位