“down under”别理解成“在下面的下面”，正确的含义是在澳大利亚（或新西兰）；到澳大利亚（或新西兰）。

【例句】
She was born in Scotland, but she's been living down under for 22 years.
她生在苏格兰，但一直在澳大利亚生活了22年。

We've decided to travel down under this summer!
我们今年决定去澳大利亚旅游。