越来越多的特许授权项目进入到了市场，但是没有必要的证明。
A lot more franchisors are coming into the market that aren't necessarily proven.
美联储官员可能会证明经济增长疲软而没有必要使用这些工具，特别是如果失业一直处于高位的话。
Its officials may prove too slow to use them, particularly if unemployment remains high.
盈利被视为必要的，但还不够证明苹果所要做的是对的。
Profit was viewed as necessary, but not sufficient, to justify everything Apple did.
如果我们采取行动，最后却可能证明没有必要。
事实证明这可能是不必要的，但是是成功的做法。
This proved to be a not only necessary, but successful approach as well.
如果必要的话，我们将起诉他们以证明这一点。
研究了主型的有关性质，证明了一个素模型存在的充分必要条件。
A necessary and sufficient condition of the existence of prime model is proved.
赛事主办单位保留权力，在必要时，要求球员出具相关证明材料。
Tournament Committee reserves the right to require or request certification of all players if necessary.
凡此种种都证明了一件事没有必要：爱。
All these things were evidence of the absence of the one thing needed: love.
经验证明，为了获得准确的结果，动能改正是必要的。
Experience has shown that kinetic energy correction is necessary in order to obtain accurate results.
此研究证明了组织职业生涯管理的必要性。
The result shows that organization career management is very important.
此研究证明了组织职业生涯管理的必要性。
The result shows that organization career management is very important.
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