首先，电动轮椅的价格相对较高。对于许多需要使用电动轮椅的患者来说，购买一台电动轮椅可能是一笔不小的开支。除了购置费用外，电动轮椅的维修和电池更换也需要额外的经济投入。这使得一些经济条件有限的家庭和个人难以承担，进而影响他们的出行和生活质量。

In conclusion, walking frames are invaluable tools for the elderly population. They not only provide physical support to enhance mobility but also promote independence and improve mental health. As we continue to witness an aging population, ensuring that these individuals have access to the right mobility aids is critical. Walking frames symbolize more than just a tool; they represent the ability to walk with dignity and confidence in one’s golden years.

Moreover, as children grow, portable cribs can transition into playpens or toddler beds, extending their usability well beyond the infant years. This adaptability makes them a cost-effective investment for families.