If you do not find out the outside world, you will not see anything that would lead to improvement. ถ้า คุณไม่ออกนอกห้อง คุณ จะไม่รู้การเปลี่ยนแปลง ไป สู่ การพัฒนา และปรับปรุง
if you do not find out the outside world, you will not see anything that would lead to improvement. if. You do not leave the room, you will not change to the development and improvement.
If you do not find out the outside world, you will not see anything that would lead to improvement. If you're out of room, you don't know a change to develop and improve.
If you do not find out the outside world, you will not see anything that would lead to improvement. if you are not out of the room you don't know the changes to the development and improvement.