Being able to map the brain's various regions and functions is part and parcel of understanding the possible side effects should a given region begin to fail.

如果一个特定的大脑区域不能正常工作，那么了解大脑的各个区域及其相应功能对于理解其可能的副反应就是非常重要的。

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Mr. Agarwala started scrolling through the county planning department's map of parcel lines, turning to Google Maps to get a satellite view of streets that looked promising.

WSJ: Building Outside the Box