最令航天业担忧的是钇供应紧张。钇是高温防护涂层中的关键成分，可防止发动机和涡轮在高温下“熔化”，一旦无法定期施涂相关涂层，发动机便无法正常服役。
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The case is significant for establishing the precedent that allegations against foreign companies supplying British manufacturers can be judged in an English court.
His mother, Blanche, worked all hours, struggling to keep food on the table. University was well beyond their financial reach.