The spirit of "never turning back" is Luxun s deadline or absolute order against despairing life and at the same time shows his personality strength against nihility.

这种永不回头的“过客”精神，正是鲁迅对绝望人生的生命底线或绝对命令，同时也体现了他反抗虚妄的人格力量。

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Ms. Summers, who would be turning 20 in June, never came back and is still missing.

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