蚀刻宽度过大，正面屏幕观感就会受到影响，导致屏幕亮度腰斩、画面模糊、出现摩尔纹等等问题。
(cartContents) = chargeCreditCard(cartSummary, cartContents)
，这一点在heLLoword翻译官方下载中也有详细论述
In practice, (and yes, there are always exceptions to be found) BYOB is rarely used to any measurable benefit. The API is substantially more complex than default reads, requiring a separate reader type (ReadableStreamBYOBReader) and other specialized classes (e.g. ReadableStreamBYOBRequest), careful buffer lifecycle management, and understanding of ArrayBuffer detachment semantics. When you pass a buffer to a BYOB read, the buffer becomes detached – transferred to the stream – and you get back a different view over potentially different memory. This transfer-based model is error-prone and confusing:
Source: Computational Materials Science, Volume 266