Certificate of necessity
[经] 必要证书
🧩 词语组成解析
certificate
[sɚ'tɪfɪkət]
n. 证明书;文凭，结业证书;
vt. 发给证明书;用证书证明（或认可）;
cert 搞清 + ifi=fy表动词 + cate表名词 → certify搞清楚=证明+ cate表名词 → 证件
of
[əv]
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
you have so much energy and so many years of experience.
你精力这么好 ，又有这么多年的经验。
Would you bring Alice with you?
你能带着爱丽斯一起来吗？
Although an ocean wave gives the impression of a wall of water moving in your direction,
虽然，海浪给人的印象是一堵由水组成的墙向你压过来，