0 the number 1,000,000,000:
The population of China is over a/one billion.
Cosmetics is a billion-dollar industry.
The government has invested billions of dollars in the project.
There were billions of flies everywhere.
1 1,000,000,000:
2 one thousand million: 1,000,000,000:
Japan exported $117 billion in merchandise to the US in 1999.
In China, the policy of one child per family was introduced to stabilize the country's population at 1.6 billion.
The Clinton administration last winter assembled the $50 billion emergency bailout package to ease a financial crisis in Mexico.
The former directly accrued billions of petrodollars from external oil rent.
The regression equation relating the two measures is: number of cortical neurons (in billions) 5.583 0.006 (cm3 brain volume).
To use a simile, history is like a collection of billions of equations (causal chains) that are all dependent upon each other.