【zoe】評論
One disadvantage of the HeroRat, however, is that it needs nine months’ training before being ready for landmine detection.
【Sydney Lee】評論
B錯的原因是因為管理的時候比較便宜而非買的時候嗎？
【小銀】評論
Besides having super sniffing power, the MouSensor is cheaper to manage and easier to breed than the rats. 所以MouSensor的優勢是管理上比較便宜、好繁殖，不用長期訓練。