特殊用法altruistic motive1.利他动机assets motive1.资 产动机convenience motive1.方便动机economic motives1.经济动机interested motive1.私利动机product motives1.生产动机profit motive1.谋利动机social motive1.社会动机speculative motive1.投机动机transaction motive1.交易动机