The appreciation of traditional oral American Indian literature has been limited, hampered by poor translations.句子中的完成时是理解成 一直受到限制 还是理解为 受到过限制?判断的依据是什么呢?谢谢回答
Yet youngsters still long, dangerously, for the ecstasy of communion,
not just with edgy individuals but anonymous crowds.麻烦分析一下这句话的句子结构。Still long 是什么意思,主谓宾分别是什么?