People always talk about age, because age reflects their state of mind, which is something universal despite different family, social or cultural backgrounds. The age of 21 is a sensitive time, people at that age will face the turning point, they meet new challenges.
人們總是談論年齡，因為年齡反映了他們的思想境界，這對于來自不同家庭和不同社會文化背景的人來說都是一樣的。21歲是一個很敏感的時間，人們此時面臨著人生的轉折點，他們遇到新挑戰。

In western country, 21 is the age at which young people traditionally receive a key to their parents’ door, as a symbol of entering adulthood. People at the age of 21 will ask themselves that where should they go in the future. For college students, they are thrilled at the prospect of starting their careers within a year. While as the global recession gets intense, some have to scale down their ambitions. They will realize that being realistic, instead of frustrated, is the solution.
在西方國家，21歲的時候，傳統上，年輕人從父母那里收到來自父母房門的鑰匙，象征著進入成年人階段。人們在21歲會自問將來該何去何從。對于大學生來說，他們對于將來一年內開始職業生涯而感到興奮，充滿向往。然而隨著全球經濟衰退的高漲，一些學生不得不放低他們的野心。他們會發現與其沮喪，不如現實點，才是解決之道。

迎接新挑戰 Embracing New Challenges

The age of 21 is also a time to step out of your comfort zone, it is a time to explore the outside world, when you are ready to do so. You have been protected by your family all the time, you should embrace new challenges bravely, get out of the protecting zone, ready to open the new chapter of your life.
21歲也是你走出自己的安全區域的時候，此時，你應該探索外面的世界，當你準備好這么做的時候。你一直受到父母的保護，應該勇敢地迎接新挑戰，走出保護區域，做好開始人生新篇章的準備。

When people come to the age of 21, it means they are adults, they should take responsibility of themselves, to be fearless and embrace new challenges.
當人們來到21歲的時候，這意味著他們已經成年，應該對自己負責，無所畏懼地迎接新挑戰。