Someone who has the ability to grow plants well is said to have a green thumb.

VOA: special.2010.05.23

and so they just, knowingly or unknowingly, they steal and copy what someone else has already said.

所以他们就，有意识或无意识地，偷窃或者拷贝别人说过的东西。

抄袭是很严重的问题 - SpeakingMax英语口语达人