Sustainability is not an option anymore; it's a necessity for the future of agriculture.
If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.
我不是政治家。我只是一個(gè)堅(jiān)持自己信念的女孩。