当前紧张局面集中在钇、钪等稀土家族中的“小众元素”上，这些元素在国防技术、航天工业及半导体制造中虽用量极小，却起着难以替代的关键作用，而其生产几乎完全依赖中国。
Unions argue that "one day less" can be good for energy, productivity and society, and that normalising four‑day patterns can keep people in work who might otherwise drop out altogether.
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Promotion and relegation from rugby’s top flight is to be scrapped as part of a major restructure at the top of English club rugby after the Rugby Football Union council “overwhelmingly” voted to approve a move to a franchise model.
（二）违法违规收购、租用、出售、出租网络账号，或者明知被用于违法犯罪而出借网络账号的；