چی می‌خوای یاد بگیری؟

Using 快適に to mean 'conveniently'. → Use 便利に (benri ni) for convenience (saving time/effort). Use 快適に only for pleasant, stress-free feelings or environments.

Saying 快適過ごす without the particle に. → Always add に when modifying a verb. It must be 快適に過ごす.