For backpackers, it's a treat to escape civilization and traverse the woods, enjoying the ruggedness of the great outdoors. But carrying that heavy backpack for days can undoubtedly be a drag.

中文翻译：

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电动背包减轻负担 - [Journal Watch]

对于背包客来说，逃离文明，穿越树林，享受户外的崎岖是一种享受。但是几天背着那个沉重的背包无疑是一种拖累。