短語詞組短語once -in-a-lifetime transaction 僅此一次的交易A Once -in-a-lifetime Offering 一個曾經(jīng)在一個千載難逢的産品a once -in-a-lifetime opportunity 一生一次的機會Once -in-a-Lifetime Offer 終身優(yōu)惠 返回 once-in-a-lifetime