eg: It is rain ouside so we have to have our PE indoor.

外面下雨了，所以我们只能在室内上体育课了。

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Breast feeding builds a deep bond between mother and child, a bond that will guide us through infancy and into the ouside world.

母乳喂养有助于建立深厚的母子情谊，这种关系在整个婴幼儿期，帮助其适应外界。

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