Don't be afraid to set limits on the amount of time spent in front of the computer or the TV.

不要不敢规定他们玩电脑或看电视的时间。

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If you have children or pets, set limits on how often they sleep with you - or insist on separate sleeping quarters.

如果你有孩子或者宠物，要适量控制和你一起睡的次数——或者坚持分开睡觉。

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His agency has petitioned the food and Drug Administration to set limits on the amount of acrylamide foods can contain.

他的机构已经请求食物和药品管理局对食物允许包含的丙烯酰胺含量进行限制。

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Hong Kong, Australia and the UK have set limits on the sale of baby formula.

BBC: Dutch government to probe export of milk formula to China

That may be because managers set limits on the proportion of assets accounted for by commodities.

ECONOMIST: The charge-sheet against commodity speculators is flimsy

Or is it time to set limits on what we as a society will pay for?

FORBES: Exciting New Breast Cancer Drug Poised to Break the Bank?