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任：负担；道：路途。担子很重，路很远。比喻责任重大，要经历长期的奋斗。
[the burden is heavy and the road is long — shoulder heavy responsibilities] 担子重,路途远。比喻肩负需经历长期奋斗的重任 士不可以不弘毅,任重而道远。——《论语·泰伯》
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