And the other thing-there is research which suggests that it might be a factor in transforming the chemical energy we get from food into what is called heating energy, so in other words, it keeps us warm.

而其他物质，有研究表明可能是一个因素将我们从饮食中获得的化学能转换成所谓的加热能源, 换句话说, 为我们保暖。