这两个短语都可以表米“例如”,但含义及用法不同.
l）for example强调“举例”说明,而且一般只举同类人或物中的一个作为插入语,且用逗号隔开,可置于句首、句中或句末.如：
Many people here, for example, John, would rather have coffee.这里有许多人,例如约翰很喜欢喝咖啡.
There are many kinds of pollution, for example, noise is a kind of pollution.有许多种污染方式,例如噪音就是一种污染.
2）such as用来“罗列”同类人或物中的几个例子,可置于被列举的事物与前面的名词之间,但其后边不能用逗号.如：
Many of the English programmes are well received, such as Follow Me, Follow Me to Science . 其中有许多英语节目,如《跟我学》《跟我学科学》,就很受欢迎.
English is spoken in many countries, such as Australia, Canada and so on.许多国家说英语,如澳大利亚加拿大等.