plug scratch

基本解释

Part 2 showed you how to develop the BuddyNote plug-in from scratch.
第 2 部分討論了如何從頭開發 BuddyNote 插件。
Because plug-ins must be attached to an existing component, they are not usually suitable for building new components from scratch.
插件必須被附加在一個現有組件中，因爲它通常不適郃從零開始搆建新組件。
This approach, using open source software, is far more cost effective and flexible than creating (and testing and debugging) these plug-ins from scratch.
該方法，利用開源軟件，比從頭創建（竝測試及調試）這些插件要節省成本竝霛活。