这就是为什么我认为有必要建立一个专业营销策略的原因.因为有些人仍然需要一些关于提高推销术的指导.
That's why I think we need to create a professional sales strategy, as some people still need more guidance on how to improve their sales pitch.
即使在今天，许多南方人仍然认为重建时期是一个痛苦的失败时期，但现在有些人说，内战后南方重建这一时期对于南方创造一个有别于以前的新生活方式是必要的。
Many southerners believe, even today, that reconstruction was a bitter time of defeat.
有些人，不管自身价值如何，到是非常强调穿品牌设计师的服装和鞋子。而一些节俭的亿万富翁们却认为完全不值得，也没必要。
While some people, regardless of their net value, place a huge emphasis on wearing designer clothes and shoes, some frugal billionaires decide it's simply not worth the effort, or expense.
有些人认为这样做是必要的。
有些人认为有必要这么做。
但是当论及延长一个无可挽救、濒临死亡的人的生命是否必要时，有些人，包括有些医生认为生命的质量和生命本身同样重要。
Yet when it comes to the necessity of extending the life of the terminally ill patients, some people, including some doctors, say that the quality of life is as important as life itself.
有些人认为，安乐死是必要的，因为它可以减轻从生理和心理的致命病病人的酷刑。
Some are of the opinion that euthanasia is necessary because it can relieve the fatally sick patient from both physical and psychological torture.
有些人认为有必要使用动物进行试验。
Some people believe that it is necessary to use animals for testing.
有些人认为，社会应该拯救所有濒危的动植物，尽管花费人类的精力、时间和资金。也有人认为，社会没有必要拯救濒危物种。
Others believe that society need not make extraordinary efforts, especially at a great cost in money and jobs, to save endangered species.
说到英语六级考试，有些人认为是必要的，而有些人则不这么认为。
When it comes to the CET-6, some people think it is necessary, while some people do not think so.
说到英语六级考试，有些人认为是必要的，而有些人则不这么认为。
When it comes to the CET-6, some people think it is necessary, while some people do not think so.
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