They wanted to initiate a discussion on economics.
他们想发起一次关于经济学的讨论。
《柯林斯英汉双解大词典》
2
People who are talked to have equally positive experiences as those who initiate a conversation.
被交谈的人与主动发起谈话的人有着同样积极的体验。
3
Next the researcher introduced a third option, a third paddle that would initiate a new trial, giving the dolphin the choice of passing on difficult trials.