verification
n[U, C]
1 verifying or being verified 证实; 核实
Verification (eg Checking that weapons have been removed) could be an obstacle to an arms agreement. 裁减军备协议难以达成, 症结在於如何证实(如检查武器确已销毁).
2 proof or evidence 证明; 证据.
Pierre and I borrowed the money and bought the necklace. During the next ten years we both worked day and night to pay back the money we had borrowed. That's why I now look so old. Well, after all these years we've at last paid back all the money.