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Experts predict the world could run out of chocolate within 40 years because cacao plants are struggling to survive in warmer climates. 有关专家预测由于全球气候变暖，可可树将难以生存，因此巧克力将在40年之内绝迹。 The trees can only grow within approximately 20 degrees north and south of the Equator - and they thrive under specific conditions such as high humidity and abundant rain. 由于可可树喜生在温度高、湿度大的环境，因此目前其种植区域仅限距离赤道南北纬约20度的狭窄的雨林。 | 
