Those trillions in reserves that china accumulates : where do they go ?

中国购买的上万亿的外汇储备：去哪了？

We each have trillions of microbial hitchhikers living in and on our bodies .

我们每个人的身体里，都搭载和生活着数万亿个微生物。

Over the next 50 years we will spend trillions of dollars on city building .

在今后50年中，我们将花费数以万亿计的美元进行城市建设。

Any given human cell-we have trillions of them-holds our entire genome in its nucleus .

人体里有数万亿个细胞，每个细胞的细胞核内都有完整的基因组。

Interest rates on hundreds of trillions of dollars of loans and other financial contracts are pegged to the benchmarks .

数百万亿美元的贷款和其他金融合约的利率都与这两种基准利率挂钩。