Single interest
[經] 單利
?? 詞語組成解析
single
['s??ɡl]
adj. 單一的;（打斗、比賽等）一對一的;惟一的;適于一人的;
n. 單程票;（旅館等的）單人房間;[復數]（高爾夫球一對一的）二人對抗賽;[常用復數][美國、加拿大英語]未婚（或單身）男子（或女子）;
vt. 挑選;
vi. 作一壘手;
interest
['intrist]
n. 興趣，愛好;利害關系，利益;利息;趣味，感興趣的事;
vt. 使產生興趣;使參與，使加入;引起…的意愿;使產生關系;
??? 情景例句
Thank you.
謝謝 。
Any personal hobbies such as sports, music and collecting stamps never had a place in his life.
任何一種個人的業余愛好，如體育活動，音樂，集郵等等在他的生活中從未有過地位。
The hardened professional smuggler, on the other hand, is never troubled by such feelings, even if he has five hundred gold watches hidden in his suitcase.
而老練的職業走私犯卻使手提箱里藏著500只金表，卻也處之泰然。