因为怕狗

在PSE&G的帐单上有这么一段

Please secure your dog behind closed doors when a PSE&G employee enters your property. This safety policy is for the protection of our employees, and to ensure better service to you. For more information, read the enclosed "Working For You" newsletter.

让我想起鲁迅《呐喊》自序里说金心异来找他，坐下来后“因为怕狗，似乎心房还在怦怦的跳动。”