freshness and potency guaranteed through是什么意思?

freshness and potency guaranteed through是什么意思? freshness and potency guaranteed through aug FRESHNESS AND POTENCY GUARANTEED THROUGH:382009.01 exp freshness and potency guaranteed through:1035870 AUG 2013 freshness and potency guaranteed through 370929-01 EXP 08/12 上面标着 FRESHNESS AND POTENCY GUARANTEED THROUGH:PV9-007 DEC 20 请问保健品上面写着freshness and potency guaranteed through jan 是保质期吗? through-and-through是什么意思? High potency ampoule是什么意思 Satisfaction guaranteed是什么意思 guaranteed delivery time是什么意思 Through the Fire and Flames是什么意思