But preparing green tea is a delicate process that most people get wrong, says Rona Tison, senior vice president of corporate relations for Ito En, Inc.

• 但ItoEn；Inc.；负责企业关系的高级副总裁罗娜?蒂松(RonaTison)介绍道；绿茶茶艺可是门精致的学问；大多数人都存在误区。