They understood they needed to protect struggle and challenge in their work so that they could push themselves to tackle hard problems right near the edge of their capacity.
فهمیده‌اند که تلاش و چالش را در محیط کارشان نگه‌دارند تا بتوانند به خود برای حل مشکلات سخت فشار بیاورند درست تا اندازه ظرفیت‌شان.