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1.open up 打开；开发；开始
He decided to open up a business in the city.
他决定在城里开一家商店。
A new territory has been opened up for trade.
开发了一个新的贸易区。
2.no longer 不再
She no longer feared that they should misunderstand her.
她不再害怕他们会误解她了。
The enemy on the right flank is now like a spent arrow and no longer a threat to our position.
右翼的敌人已经是强弩之末， 不能再威胁我们的阵地了。
