VisiCalc's single-letter menu mnemonics are enhanced in 1-2-3 by simply spelling it all out on-screen. Full menu item names are always visible, yet still accessible by single-letter commands. From the jump, 1-2-3 makes a strong case for itself, providing improved usability and discoverable tools.
生活遂演变为持续运算。计算的副作用是：不确定感弥漫。
。关于这个话题，搜狗输入法提供了深入分析
Additional coverage:
Кремль подтвердил доступ России к Ормузскому проливу 20:38