意思：
n. 农业，耕作
v. 耕种；出租（farm的ing形式）
His father started him off farming.
他父亲指点他做农活儿。
Organic farming is expanding everywhere.
有机农业在各处发展。
The new technology was applied to farming.
这项新技术已应用于农业。
Charles knew next to nothing about farming.
查尔斯对耕作几乎一无所知。
You don't know the first thing about farming.
你对耕种一无所知。
