Translate the following sentence into Chinese.
Some people consider these threats as self-evidently the main challenge to world peace and security.
So-called "soft threats" are the persistence of extreme poverty, the disparity of income between and within societies.
So-called "soft threats" are the spread of infectious diseases, or climate change and environmental degradation.
Famines, wars, and epidemics, such as the plague and cholera, killed many people.
Translate the following sentence into Chinese.
Once the auction ends, the highest bidder is obliged to pay for the item, usually with a money order or cashier’s check, before the item is delivered.
The United Nations must confront all these threats and challenges—no matter new and old, "hard" and "soft".
Each day the population of the world increases by about 150,000.
It took only 75 years for the figure to double once more, so that now the population figure stands at approximately three and one half billion.
It may even trigger a recession -- a temporary decline in the country's economy -- such as the one that ran from late 1973 to the spring of 1975, when millions of people were laid off from their jobs.
In the two centuries that followed the population doubled, and, by 1850, there were more than a billion people in the world.
That's not to say that good jobs and more wealth are guaranteed to Americans.
The U.S. economy has been plagued periodically with two major problems: high unemployment and the rising cost of living -- inflation.
About three hundred years ago, there were approximately half a billion people in the world.
When prices climb faster than people's incomes, families sooner or later are forced to cut back on buying in order to make ends meet.
That limits what businesses can produce and how many people they can employ.
We earn our livelihood in peaceful competition with people all across the earth.
When George Washington first took the oath I moving have just sworn to uphold, news traveled slowly across the land by horseback and across the ocean by boat.
But our economy is weakened by business failures, stagnant wages, increasing inequality, and deep divisions among our people.
Communications and commerce are global; investment is mobile; technology is almost magical; and ambition for a better life is now universal.
Raised in unrivaled prosperity, we inherit an economy that is still the world's strongest.