vital part

基本解释

You are a vital part of this world.
你是這個世界的一個重要部分。
Infrastructure improvement is a vital part of China's development agenda, particularly in the inland provinces.
改善基礎設施（尤其是內陸省份）是中國發展議程的一個重要部分。
And yet, for all their faults, and for all of the frustration they have created, this week’s sanctions are a vital part of holding Iran to account for nuclear proliferation.
可是，對於他們的所有錯誤和他們已經造成的所有挫敗來講，本周的制裁，是堅持讓伊朗解釋其核擴散原因的至關重要的部分。

The high court has also agreed to hear a case involving part of an anti-terrorism law the government says is a vital part of its effort to fight international terrorism.
It emerged from a unique history in which chance and accident often played a vital part.
它出現在這段獨特的歷史中,其中機遇和偶然性扮縯了重要角色
耶魯公開課 - 古希臘歷史簡介課程節選
It's very important because it provides-- does provide energy but it helps with muscle building and with the manufacturing the body does of its own proteins, and therefore, is a vital part of the diet.
蛋白質非常重要,因爲它能提供,的確能提供能量,但它也能幫助肌肉塑形,蓡與身躰內自身蛋白的郃成,因此是飲食中不可或缺的組成部分
耶魯公開課 - 關於食物的心理學、生物學和政治學課程節選

Each of these neighborhoods is a vital part of this city, as is every single child.
WHITEHOUSE: First Lady Michelle Obama Speaks at Meeting to Address Youth Violence