If you look at the PET scan, I look just like one of those killers.

如果你看我的PET扫描，我的看起来就像那些冷血杀手。

youdao

Most often, you want only a small subset of the data in the table, so a full table scan wastes a lot of disk I/O and therefore time.

通常来说，您可能只希望获得表中数据的一个子集，因此全表扫描会浪费大量的磁盘 I/O，因此也就会浪费大量时间。

youdao

I thought, there's only 160 kids in this school - can book-crime be that bad that you need to biometrically scan primary-school children?

我估摸着学校只有160个孩子，有必要在小学使用指纹机来预防犯罪吗？

youdao