abbr.内码(internal statement number);
例句:
It isn't clear whether the plane went down over land or sea.
不清楚飞机是坠毁在陆地上还是海里。
"It's a nice piece of jewellery though, isn't it?"
“可这是一件漂亮的首饰,不是吗?”
Of course, literacy isn't the same thing as intelligence.
当然,识字和智力是两码事。