Everyone'sfingerprintsareu,sothepoliceoftenusethemtofindcriminals

Question

Everyone's fingerprints are u___ ,so the police often use them to find criminals

Answer 1

Everyone's fingerprints are (unique),so the police often use them to find criminals.
每个人的指印都是不同的,所以警方经常用它来查处出罪者、
答案——unique