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1.Scientists have come up with a revolutionary new idea to save planet Earth from global warming.
save from 免于
By the grace of god, we have is save from death.
谢谢上帝的慈悲，我们得救了。
2.They also say their technique would be "remarkably inexpensive," costing in the region of $2.25 billion a year over a 15-year period.
in the region of 大约
Japan's annual trade surplus is in the region of 100 billion dollars.
日本每年的贸易顺差额在1,000亿美元左右。
