Hand computation
[計] 手算
?? 詞語組成解析
hand
[h?nd]
n. 手;協助，幫助;（工具等的）把，柄;掌管;
vt. 傳遞，交給;攙扶;支持;
??? 情景例句
Five five five...one seven two oh. Hello? 555-1720
喂 喂?
I remember the girl whose father goes there every autumn.
我記得那個女孩的父親每年秋天都去那里。
the bank must recognize its customer's signature.
因為銀行有責任辯認出其儲戶的簽名。