重點講解:
1. go up (價格、數量或水平)上漲,上升;
An average electric bill might go up $2 or $3 per month.
每月電費可能會平均增加兩三美元 。
2. a factor of (增長的)倍數;
The cost of butter quadrupled and bread prices increased by a factor of five.
黃油價格漲了4倍,面包價格漲了5倍 。
3. insist on 堅持;
He insisted on his innocence.
他堅持說他是無辜的 。
4. pay attention to 關心;注意;
More than ever before, the food industry is paying attention to young consumers.
食品工業比以往任何時候都更加關注年輕消費者 。
n. 堅持,強調,堅決主張