Many parents think that children needs to enhence physical t

Many parents think that children needs to enhence physical training are beneficial to the health
请我我的语法有问题吗?

Many parents think that children needs to enhance physical training that is beneficial to the health.
再问： 可以加2个that?
再答： 可以。前一个是引导一个宾语从句，后一个that是作physical training的定语。作用不同

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