犯罪动机

jǐng fāng hái wèi zhǎng wò rèn hé fàn zuì dòng jī de xiàn suǒ

警方还未掌握任何犯罪动机的线索。

The police haven't got any clues as to the motive for the crime.

rén de xū yào jí qí mǎn zú shì chǎn shēng fàn zuì dòng jī de gēn yuán

人的需要及其满足是产生犯罪动机的根源。

The needs and to meet it are the roots of crime motive.