在大家等待要看谁是新的雇主的时候，没有任何注意到，这时有一个老先生进来了，他走路不稳，穿着破旧的衣服，站在了一个角落。
And while they were waiting to see who this new owner was, no one noticed but an old man entered the room with an unsteady step and rather poor shabby clothes and stood in the corner.
科研人员坦承，有些行为带来的潜在益处似乎很不稳妥，如少开车、多走路和多骑车。
Some possible benefits seemed highly speculative, the researchers conceded, based on people driving less and walking and cycling more.
症状还包括大小便不能控制、平衡或协调能力障碍，以及行走不稳、拖行步态或走路时容易绊倒。 ！
Symptoms can also include a loss of bladder or bowel control, or problems with balance or coordination, such as a shuffling gait or tripping easily when walking.
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