我经常买正品英语

I often buy/purchase books.I frequently buy/purchase books.I buy/purchase books on a regular basis.

正品的英文：certifiedproducts;qualityproducts;certifiedgoods;normalproducts;qualitygoods;[例句]1、别买廉价的仿冒品，攒点钱买正品吧。Don'tresorttocheapcopies;saveupfortherealthing.2、这种伏特加酒是正品。Thevodkawasthegenuinearticle.3、但是，对其他人来说，坚决选择合法的正品对于真实性来说非常重要，也是一个良知的问题。But,forothers,adherencetolicensedoriginalsisimportantforauthenticityandasamatterofconscience.4、真实性：我们确保所有物品都是正品、原产、高档优质的美国产品。Authenticity:youcanbeabsolutelyassuredthatallitemsaretrue,genuine,highqualitytopbranded.

I always go to the glosory