The most advanced technology is worthless if farmers can't use it effectively.
如果农民不能有效使用,最先进的技术也毫无价值。
每个人都对自己的身体拥有所有权,没有人有权支配他,除了他自己。
In all affairs, it's a healthy thing now and then to hang a question mark on the things you have long taken for granted.