Discussion of 专门/專門 [zhuān mén] specialized, special; specially, on purpose, habitually - Trainchinese

1 - What are the most common contexts in which 专门 (zhuān mén) is used? 2 - What other words might I use in place of 专门 (zhuān mén)?探讨‘专门’一词在何种常见语境下被广泛应用？2 - 替代‘专门’（zhuān mén）的其他词汇有哪些？