成功往往关乎自律和坚持不懈的努力。

Success is often ___a ___matter ___of discipline and consistent effort.

出色的公开演讲关键在于自信和练习。

Good public speaking is ___a ___matter ___of confidence and practice.

做出完美的意大利面，关键在于精准把握煮面的时间。

Making perfect pasta is ___a ___matter ___of timing the boil exactly.