He had received a treble traveler's check and some treasury bills' as a treatment from somebody.

因此他从某人手里获得了三倍的旅行支票和一些国库券的待遇。

You want a risk-free return, buy treasury bills, or, I don't know, hide your money under the mattress.

想要零风险回报 就去买国库券，或者把钱藏在床垫下面。

This is because much of the world's supply of reserves are held in US dollars, which countries tend to invest back into the safe haven of US treasury bills.

这是因为世界上大部分国家的外汇储备都是以美元形式持有的，这些国家倾向于将美元重新投资于美国国债这一避险资产。