Since the first introduction on the market in the mid-1990s of genetically-modified food, there has been increasing concern about such food among consumers.
转基因食品于20世纪90年代中期上市。自那时起，消费者对它的关注与日俱增。

The release of genetically modified organisms into the environment and the marketing of genetically modified foods have resulted in a public debate in many parts of the world.
把转基因有机物排放到环境当中以及对转基因食品进行营销，已经引发了世界各地的公共讨论。