The perpetrator of the crime does not have to be traced before you can claim compensation.
不一定非要抓住罪犯之后你才能够索赔。
谁都不需要学习吗？
Gamification does not have to be digital.
游戏化不一定要数字化。
He does not have to worry about making a living.
他不用为生活发愁了。
The experience does not have to be formally organised.
这种体验并非一定要正式组织。
Being environmentally friendly does not have to cost money.
环保并不需要花钱。
But anyone who does not have to sell is keeping away, waiting for confidence to return.
除非万不得已，所有卖家都在远离市场，等待着信心恢复后重新入市。
A genuinely comprehensive medical practice does not have to include leeches, the eye of newt, or dragon dung.
真正全面的医学实践并不一定要包括水蛭、蝾螈之眼或龙粪。
She would also like to have her own income, so she does not have to ask her husband for money whenever she wants to buy something.
她也想有自己的收入，这样她想买东西的时候就不用向丈夫要钱了。
但你没必要成为这样的人。
It does not have to be this way.
事情并不一定要这样的。
但现在就不一定了。
This does not have to be the case.
这不是必需的。
The boom does not have to end in deflation.
繁荣并非一定以通货紧缩为终点。
Of course, it does not have to be this way.
当然，情况也不一定就得是这样。
Waiting time does not have to be wasted time.
等候的时间未必就要干瞪眼。
An election does not have to be called until 2012.
到2012年才会有另一次选举。
This does not have to be a massive undertaking.
并不一定要大张旗鼓地进行这件事。
The default value does not have to be specified.
缺省值不是必须被指定的。
This does not have to be as expensive as it sounds.
不一定是听起来那么昂贵的。
This functionality does not have to stop at logging.
并不需要在进行日志记录时停止此功能。
The second does not have to be, but probably will be.
第二个任务不必花费巨大开支，但也不排除这样的可能性。
But this temporary owner does not have to be a SECADM.
但是这个临时的所有者可以不必是SECADM。
Travel does not have to cost the Earth - or even money.
旅行并不一定要消耗地球资源，甚至钱。
Trust me; it does not have to be so ugly and difficult.
相信我，根本没必要这么丑陋和困难。
Default does not have to mean outright debt repudiation.
违约不一定是指完全不偿还债务。
You'll see later that the payload does not have to be XML.
稍后您将发现，此处的有效载荷并不一定要是XML。
And energy does not have to be renewable to be low-carbon.
并且非可再生能源也可以低碳能源。
Let me emphasize that the idea does not have to be complex.
让我们强调一点，这个商业模式不需要太复杂。
CIT does not have to go bust for its customers to feel pain.
CIT并非一定得破产之后才能让其顾客感觉到痛。
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