The principal reason for both the growth and the lack of accurate measurement is the difficulty in detecting a well-executed theft. Losses per incident thus tend to be higher than in other types of theft.

The principal reason for both the growth and the lack of accurate measurement is the difficulty in detecting a well-executed theft. Losses per incident thus tend to be higher than in other types of theft.

这种增长和精确测量缺陷的主要原因是很难发现全副武装的盗贼。