Come august, when ranchers set fire to cleared areas to prepare them for grazing, runaway blazes could outnumber those that shocked the world last year. 亚洲水牛比美洲的同类要温柔一些。 此处that 指代 buffalo 。 These 与those 区别 代指的含义不同 those指的是那些，these指的是这些。 指代眼前的，或较接近的，不管时间还是距离上的，就用these；指代远处的，也是不管时间还是距离，就用those。.
8 DPO Several Early Pregnancy Signs at Eight Days Past Ovulation
上海的天气没像北京那么冷。 the radios made in tianjin are as good as those made.
That /those 用于强调上文提到过的词或短语表达的同类意思， 比如： asian buffalo isn't as wild as that of america's.
Those / these are determiners and are used before nouns to refer to a particular group of things / people, e.g.
