Young people can prevent and control myopia by spending more time outside and less time in front of books or computers.
年轻人可以通过多花些时间在户外,少花些时间在书本或电脑前来预防和控制近视。
Most students are short of self-control. Spending too much time on the phone prevents them from learning.
大多数学生都缺乏自制力。花太多时间玩手机会妨碍他们学习。
Control your impulse spending.
控制冲动消费。
Mr. Obama says his team is beginning discussions with members of Congress about how to deal with the deficit and control federal spending.
VOA: special.2009.01.09
Now,many leaders agree it is time for them to start backing off from stimulus spending, and get their debts and deficits under control.
VOA: standard.2010.06.05
We can't keep shifting a growing burden to future generations. With each passing year, health care costs consume a larger share of our nation's spending, and contribute to yawning deficits that we cannot control,".
VOA: standard.2009.06.13
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