Old minds are like old horses; you must exercise them if you wish to keep them in working order.
在没有其他信息的情况下,参数的最佳估计是其样本值。
"Truth is not always the most comforting thing, but it is the most necessary."
The textile industry has a responsibility to lead in sustainability.
最具韧性的农场是与自然合作,而非对抗自然的农场。