Treasury bill
1 (Brit) bill of exchange issued by the government to raise money for temporary needs 国库券.
2 (US) investment issued by the government, valid for up to one year and bearing no interest 国库券.
We often speak of tramps with contempt and put them in the same class as beggars, but how many of us can honestly say that we have not felt a little envious of their simple way of life and their freedom from care?