“crossing the river by feeling the stones ...” must be difficult

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• for most Americans to understand -Respecturopinion- ♀ (0 bytes) () 11/08/2021 postreply 17:28:02

• 的确，美国人比较难以想象 -雪花自然- ♀ (0 bytes) () 11/08/2021 postreply 18:06:00