have an interest in 与have interest in 一样吗
意思不同。
have an interest in 意思是“对...... 有兴趣”，“关注......”。
have interest in 意思是是“在......有（经济）利益关联”。
前者重点在于“关注”（attention），后者重点在于“利益”（financial gains）。
例句：
They have an interest in food service industry.
对餐饮行业有兴趣。
They have interest in food service industry.
在餐饮行业有经济利益。
扩展资料：
相似短语：
1、have no interest for 对...没有兴趣
2、have an interest in 对…有兴趣
3、have interest in v. 有兴趣
4、have no interest to 对...没有兴趣
5、have no interest in 对...不[不太]感兴趣
6、have not much interest in 对...不[不太]感兴趣
7、have not a spark of interest in 对…丝毫不感兴趣
8、have only a tepid interest in 对...兴趣不大
9、be interest in vt.对...感兴趣
10、of interest adj.所关心的
此外interest 作名词使用时，既可数又不可数。表达“兴趣”、“关注点”等可数；表达“利益”、“利息”则不可数。
可数与不可数例句：
Her outside interests (=interests that are not part of her work) were numerous.
（个人兴趣，可数）
Art galleries, museums and other places are tourist interests.
（观光景点，可数）
The more money you save, the more interest you'll earn.
（存款利息，不可数）
