源头

yuán tóu source; fountainhead

企业

qǐ yè company; firm; enterprise; corporation; CL:家[jia1]

签名

qiān míng to sign (one's name with a pen etc); to autograph; signature

免费

miǎn fèi free (of charge)

试用

shì yòng to try something out; on probation

电报

diàn bào telegram; cable; telegraph; CL:封[feng1],份[fen4]

找

zhǎo to try to find; to look for; to call on sb; to find; to seek; to return; to give change

HCKF80wng