偏差: bias, deviation...
阅历: to experience, experience...
算数: to count numbers, to keep to one's word, to hold (i.e. to remain valid), to count (i.e. to be important)...
代表团: delegation...
别墅: villa...
拖鞋: slippers, sandals, flip-flops...
对: couple, pair, to be opposite, to oppose, to face, for, to, correct (answer), to answer, to reply, to direct (towards sth), right...
检测: to detect, to test, detection, sensing...
谦逊: humble, modest, unpretentious, modesty...
宣言: declaration, manifesto...