华侨离乡背井，远居国外。因此他们在感情上越来越向往祖国大陆。
Absence and distance make the overseas Chinese heart increasingly fond of the motherland.
在大陆的内部有熔岩井的地方，也发现了火山。
Volcanoes also are found in the middle of plates, where there is a well of melted rock.
例如，比较一个近海的修井方案和陆上修井的方案甚至对于一个有经验的决策者也是困难的。
For example to compare an offshore workover with an onshore water flood would be difficult even for the most experienced decision maker.
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