One book critic wrote: "Someday,people are going to wake up and realize that Woody Guthrie and his songs are a national treasure, like the Yellowstone or Yosemite parks."

VOA: special.2010.06.20

So notice first here that the younger brother compares his sister's virginity to a miser's treasure.

所以首先注意这个小哥哥,他将妹妹的贞节与吝啬鬼的财富作比较。

耶鲁公开课 - 弥尔顿课程节选

The surrounding region is turning out to be a treasure trove for archeologists, anthropologists and speleologists, or cave explorers.

VOA: standard.2009.12.14

"There have been millions dead between us,he said, and it is now our duty to cherish the friendship between our two peoples as a special treasure,".

VOA: standard.2009.04.04