道的根本来源于天,如果天不改变,道也不会改变
The stock market is filled with individuals who know the price of everything, but the value of nothing.
农业的透明度能够建立与消费者之间的信任。
The beauty of topological insulators lies in their robustness; their surface states are protected by symmetry and topology, making them immune to certain types of disorder.