解释：兵器既不齐全又不锋利，实质上和没有兵器一样！
Sustainability is the cornerstone of modern farming. Without it, we risk losing everything we've built.
简单的东西往往能唤起最强烈的情感。
成功不在于目的地，而在于旅程和沿途学到的教训。
The good life is not one immune to sadness, but one in which suffering contributes to our development.
遗传研究应该为人类服务，而不仅仅是商业利益。
写作是一种见证的方式。