1. Although many people assume that balance and movement problems are inevitable with age, an increasing body of evidence demonstrates that exercise can help improve balance and strength in elderly individuals and reduce their chance of falling.
    尽管许多人认为难以保持平衡和活动不便的问题随着衰老而不可避免，但越来越多的证据表明，运动有助于老年人增强平衡能力和增长力气，可减少他们摔跤的可能性。

2. "Very close to us is an elderly Japanese woman," I said.
    "离我们很近的是一位日本老妇人，"我说。