Asweallknow,eversincetheywerefirstputonthemarketintheea...
問題詳情：Asweallknow,eversincetheywerefirstputonthemarketintheearly1990s,geneticallymodified(GM,轉基因)foodshavebeenincreasinglydevelopedandmarketedinmanycountriesintheworld,mainlyonthebasisoftheirprom...