族群融合为统一性做了又一注解。东周时期，中原农耕人群北进，与南下的北方游牧族群齐聚于今内蒙古中南部，开启了波澜壮阔的人群迁徙、互动、交流并融合的历史进程，最终融入统一的多民族国家之中。斯人已逝，但他们的颅面特征化为一条条精确的量化数据，为张旭提供了复原那段历史的证据。农牧交错带不是文明断裂的边陲，而是民族融合的前沿阵地。
在信息爆炸的年代，人们更需要被引导和告知，哪些信息更值得被关注，哪些噪音可以被略过。这就像物质极度丰富的时代中，人们可以在任何渠道进行购物，但他们依然愿意走进costco消费——那里不提供最多的选择，但货架上的每件商品都被精心筛选。
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The vaccine doesn't guarantee lifetime immunity, but it does greatly reduce the risk of someone developing chickenpox or having a bad case.
Health Secretary Wes Streeting says resident doctors have received the largest pay rises of any public sector employees over the last three years, totalling nearly 30%. He insists the government will not offer any further increases.