移民的影响往往是局部的，并且与具体背景相关。
The effects of immigration are often localized and context-specific.
Perception is not determined simply by stimulus patterns; rather it is a dynamic searching for the best interpretation of the available data.
You want something. Go get it！
Understanding how the olfactory system works is not just about understanding smell, but also about understanding how the brain processes information.
一个国家的力量在于其人民的品德。
