hétong shàng de jīn'é gēn kǒutóu shuō de chà le liǎng wàn duō, qiān zhīqián zuìhǎo zài duì yī biàn

合同上的金额跟口头说的差了两万多，签之前最好再对一遍。

The amount on the contract differs from what was verbally agreed by over 20,000; it's best to double-check before signing.