1·If different views can be provided for hashes, arrays, and scalars, why stop there?
要为哈希表、数组和标量都提供视图多好呀，为什么不呢？
2·Hashes are incredibly useful for accessing data that does not have an obvious ordering.
哈希表在访问没有明显顺序的数据方面难以置信的有用。
3·Rails provides reasonable definitions of blank? For several other objects too: true, false, empty arrays or hashes, numeric types, and even the object class.
Rails同时为许多其他对象提供了合理的blank ？定义：true, false，空数组及哈希表，数值类型，甚至是Object类本身。
4·The basic features of Vimscript covered so far (statements and functions, arrays, and hashes) are sufficient to create almost any kind of addition to Vim's core feature set.
目前我们讨论的Vimscript基本特性(语句和函数，数组和哈希表)已经足够为Vim的核心特性集创建几乎任何类型的添加项。