For these babies, oil the joints and springs of a squeaky crib, put out the dog before he barks and turn the ringer off on the phone.

• 对这些宝宝的家长来说，要给门轴和嘎嘎作响的婴儿床弹簧上点油，把狗狗赶到外面，还要把电话线拔了。