A key factor in running a business is the delegation of responsibility.

经商的一个关键因素是责任委托。

Remember that confidence is the key factor in success.

要记住自信是成功的关键因素。

Weight-bearing is probably a key factor in the increase of annulus fibrosus cells apoptosis.

负重可能是纤维环细胞凋亡增加的关键因素。

Besides aging, weight bearing is probably a key factor of the increase of anulus fibrosus cells apoptosis.

除衰老外，负重可能是纤维环细胞凋亡增加的关键因素。

Marketing will be a key factor.

市场推广是关键因素。