"If Weily is given free rein for a period of time, his behavior will lapse, and we'd have to start all over," says Hwang, stroking Weily as he lies by her feet.
而上大分前，威利也已在其他山區受訓找到目標物，成果令人滿意。照顧不簡單「如果放縱威利一段時間，規矩『壞掉』，就得全部重來。」