它们能发挥基本的保安功能，如在户主工作或外出度假时监视房屋、监视办公室，以防外人闯入，或照看孩子或宠物。
They can be used for basic security functions such as monitoring a home while the householder is at work or on holiday, monitoring an office for intruders or keeping a watch over children and pets.
如果你为了参加会议而要求照看孩子，请到乔丹的办公室留消息给简或玛莎，这样我们就会知晓了。
If you will require childcare in order to attend the meeting, please Martha at Jordan's office.
如果你为了参加会议而要求照看孩子，请到乔丹的办公室留消息给简或玛莎，这样我们就会知晓了。
If you will require childcare in order to attend the meeting, please Martha at Jordan's office.
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