[Do you know?]
Both "钞票" and "钱" mean money. Is there any difference between them?
钞票 (chāo piào): banknote; papermoney
钱 (qián): money; fund; sum
"钞票" is surely "钱", but "钱" is not necessarily "钞票". "钞票" cannot be used on an official occasion, but "钱" is not limited in this way.
√ 上复旦大学留学，一年需要多少钱？(shànɡ fù dàn dà xué liú xué, yì nián xū yào duō shǎo qián)
How much does it cost for a foreigner to study in Fudan University?
√ 王先生是个有钱人。（wánɡ xiān shenɡ shì ɡè yǒu qián rén）
Mr. Wang is wealthy.