Any object can have multiple children, but only one parent.

任何物体可以有多个子物体，但只会有一个父物体。

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Note that a CSR can work for multiple stores, but can have only one parent organization as shown in Figure 1.

请注意，CSR可服务于多个商店，但是只能有一个父组织，如图1所示。

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Children's telomeres did, indeed, correlate in length with those of their parents-but they correlated only with one parent, the father.

孩子们的端粒长短确实与其父母相关，但只是与父母中的一位相关。

youdao

But only if at least one parent was Japanese are they automatically eligible for citizenship.

ECONOMIST: Social conventions and demography add to the sclerosis

This is probably because the gene helps when only one copy is present, but hinders when there are two, one from each parent.

ECONOMIST: Recruiting mosquitoes to fight malaria