The party's election propaganda lacked bite and purpose.这个政党的竞选宣传缺乏说服力和目的性。Somehow, though, their latest album has a focus that the others have lacked.但是,他们的最新专辑设法找到了其他专辑所欠缺的一种目的性。By teleology is intended the purposefulness of nature.所谓目的论,就是指自然界本身具有目的性。