If you have a sign in your yard declaring what setup you use, that'd point them in the right direction, though at that point, we're talking about a highly targeted, semi-sophisticated attack, and not the sort of forced-entry attack that makes up the majority of burglaries.

出自-2016年12月阅读原文

The proposal attempts to deal with what some call the "death valley" of autonomous vehicles: the grey area between semi-autonomous and fully driverless cars that could delay the driverless future.

2017年高考英语天津卷 阅读理解 阅读C 原文