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1·Rats are also quite shy, highly unlikely to bite and can be very rewarding pets, demonstrating much more intelligence and affection than such dumber, nippier rodents as hamsters and guinea pigs.

老鼠其实也很害羞，大部分情况不会咬人，还会是很值得养的宠物。研究证明，老鼠比其他很多看起来安静样子漂亮的噬齿动物（如仓鼠和豚鼠）更聪明更招人喜爱。