Some need glasses to read, or do not hear very well. Others may have difficulty in moving.
有些人看书要戴眼镜，或者听觉不好，有些人可能行动不便。
Some disabled people or those have difficulty in moving by the lower limbs hope to study and master it.
一些身体残疾和下肢行动不便者，也希望能学习和掌握。
All children and seniors who have difficulty in moving around must be accompanied by family members in sightseeing.
儿童、行动不便的老人须在家人陪同下游览。
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