The wild is a place of constant change. To survive, you have to be ready to adapt.
粮食安全是国家安全的基石,我们必须牢牢把握在自己手中。
【释义】上天不会重复赐予机遇,时光也不会长久停留;人的才能很难在多个领域都达到精工,成就事业的关键在于把握当下、专注一事。
In string theory, all particles are vibrations of a tiny supersymmetric string.