Considering his health，I advise him to (set aside) an hour or two each day to work out.
解析句意：考虑到他的健康，我建议他每天抽出一到两个小时进行锻炼。set aside留出，拨出。
答案set aside
3. Mary often does some translation work to earn extra money，which (accout for) half of her income.
解析句意：玛丽经常做些翻译工作来赚取外快，这占了她收入的一半。account for是……的原因；解释，说明；(在数量上、比例上)占。
