At the end of the day, these kinds of systems are primarily designed to protect against the sort of opportunistic smash-and-grab attack that makes up the majority of burglaries.

归根结底，这类系统主要用于防止投机取巧的砸橱窗抢劫袭击，大部分的入室盗窃都属于这类袭击。

youdao

youdao

That view was echoed by another U.S. official, who told CNN's Erin Burnett that, "as of now, the attack appeared organized, " not put together quickly or opportunistic.

CNN: STORY HIGHLIGHTS