zài / bái / gōng / fā / biǎo / shēng / míng / zhōng / bái / gōng / shì / yì / zhǒng / jiè / dài

在“白宫发表声明”中，“白宫”是一种借代。

In “the White House issued a statement,” “the White House” is an example of metonymy.