Imagine a vertical line splitting your body in half — your hands should not cross it.
想像一条把你的身体分成两半的垂直线——你的手不应该越过它。
2
Apparently, the Department of Justice spent millions of taxpayer dollars to fund operations for thousands of illegal guns to cross the border and fall into the hands of violent Mexican drug gangs.
很显然，司法部花了纳税人的数百万美元，用来资助清理越境而落入残暴的墨西哥毒枭手中的几千杆枪。
3
The United States drives more than any other society, and the self-driving car provides the glorious possibility of a hands-free cross-country road trip.