When you talk about sugar, you have to know about the "most important contributor" --white sugarcane. It is the raw material for sugar, and brother of the red sugarcane which is chewed on as a fruit.
提到糖，就得知道「大功臣」﹘ ﹘白甘蔗，它正是製糖的原料，和一般當水果嚼食的紅甘蔗是「兄弟」。