小杰克被安置在养父母家。

Little Jack was placed with foster parents.

《柯林斯英汉双解大词典》

尽管小杰克只有四岁，但他已经学会了自己做很多事情。

Little Jack has learned to do lots of things on his own, though he is only four years old.

youdao

小杰一条腿骨折，目前正在医院恢复。

The toddler suffered a broken leg and was recovering in hospital.

youdao

Jeremy says in the text that the geometric return is always lower than the arithmetic return unless all the numbers are the same.

杰里米在书里说几何平均,总是比算术平均小,当然如果所有数字都一样,两个均值相等

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