牡蛎：锌的最佳来源，特别是经期。
“它没什么特别的地方，”南澳大利亚州“纯净牡蛎养殖场”的顾问柯林·弗里曼(Colin Freeman)说。
"It has got nothing going for it," says Colin Freeman, a consultant for Pristine Oyster Farm in South Australia.
牡蛎卡有许多潜在的网络应用，特别是在零售业方面。
The Oyster card has many potential Internet applications, particularly in the retail area.
应用推荐