If the job has been correctly done when a common stock is purchased, the time to sell it is—almost never.
阿根廷,以格瓦拉名言“直到最后的胜利”为名的关于格瓦拉生平的记传片在布宜诺斯艾利斯首映,4万人云集首都足球场,各国歌手纪念
接受不确定性可能是应对复杂世界的最佳策略。
Patience is key in observational astronomy—some discoveries take decades to confirm.