Once every year, there is a holiday named Earth day.

每年都有一个节日、名为地球日。

youdao

Section 2. The Congress shall assemble at least once in every year, and such meeting shall begin at noon on the 3d day of January, unless they shall by law appoint a different day.

第二款国会每年至少开会一次，开会日期除以法律另行规定外，应于1月3日正午开始。

youdao

My guests make it vanish pretty quickly every year, but not as fast as my favorite dog once did on a Thanksgiving Day way back when.

FORBES: What's Missing Under The Thanksgiving Table