Biconditional statement
[計] 雙態語句
?? 詞語組成解析
[計] 雙條件的, 雙態的
statement
['stetm?nt]
n. 聲明;（思想、觀點、文章主題等的）表現;（文字）陳述;結算單;
vi. （英國）對兒童進行特殊教育評估認定;
vt. 申請（小孩）有特殊教育需要;
state陳述+ment表名詞→站著說話→聲明立場
??? 情景例句
I was quite surprised when I read in your letter that you had decided not to finish your studies at the university.
當我在你的信中看到你已決定終止大學學業時感到很是驚訝。
The poor man wants much, the miser everything.
貧窮人要求多，守財奴樣樣要。
By the end of next year, they will have finished work on the new stadium.
到明年年底，他們將把新體育場建成。