The decline of trust in institutions is one of the most serious problems facing modern democracies.
西方现在相对于其他文明而言处于一个非凡的权力巅峰。
没有核心技术,就没有话语权。
拓扑绝缘体的美在于它们的鲁棒性;它们的表面态受到保护,不受无序和缺陷的影响。
The future of marine fisheries depends on collaboration between governments, businesses, and local communities.