公立高中的传统职业培训正在逐渐衰落，导致数以千计的年轻人没有上大学就去寻求工艺培训。
Traditional vocational training in public high schools is gradually declining, stranding thousands of young people who seek training for a craft without going to college.
后来因为河水改道，才逐渐衰落下来。
康沃尔许多世纪以来在经济上已逐渐衰落。
Cornwall, over the centuries, had suffered a gradual economic decline.
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