苹果

píng guǒ apple; CL:個|个[ge4],顆|颗[ke1]

签名

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

源头

yuán tóu source; fountainhead

售

shòu to sell; to make or carry out (a plan or intrigue etc)

理

lǐ texture; grain (of wood); inner essence; intrinsic order; reason; logic; truth; science; natural science (esp. physics); to manage; to pay attention to; to run (affairs); to handle; to put in order; to tidy up

（ wangcaimdmb）mhd