intern, internal, internship

C# 中的字串(String) 有個蠻特別的靜態函數/方法(static function/method)
public static string    String.Intern(string s) ;
intern 的本意是拘留 限制活動範圍, 此一方法取名Intern 的用意 ...

intern /int '3rn/
(v) detain, confine, 拘禁, 圈禁, 拘留, 限制活動範圍
(n) 實習生, 初入職場的在職實習人員

[Example]
0. 說到圈禁 就想到十三爺, 康熙的十三皇子 允祥, 在康熙晚年時 受圈禁十年,
直到胤禎(雍正)登基 才得釋放 並予重任 ...

The thirteenth prince had been interned for ten years ...

1. The president had an affair with a white house intern ...
Do you remember who's that president?






[derived]
internal (a)

internship (n)
Some companies, e.g. Google/Microsoft/Intel/IBM ...
offer positions of summer internship for graduate/undergraduate students.