The theory of transformation not only became the mainstream to grasp the argument in 1990s, but it is the root that gave birth to many new concepts in literature theory.

由此而逐步形成的转型理论不但可以成为掌控九十年代众多文学争论的主线，而且也是许多文学理论新概念出现的理论根源。

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The existence of vulnerability in agricultural drought system is the root that leading drought to disaster.

农业旱灾脆弱性的存在是干旱成灾的主要原因。

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But you do have to remember by butterflying, you are cutting down the overall height of that root ball.

VOA: special.2011.04.19

There's different types of the root that you can get called the bitter and the sweet.

这些根有不同的类型,被称为苦的和甜的。

麻省理工公开课 - 化学原理课程节选

About 80% of the cyanide at that point is gone, so it does render the root much more safe.

这时大约百分之八十的氰化物都跑掉了，因此这确实可以使这些根更加安全。

麻省理工公开课 - 化学原理课程节选

While the news spokesperson said it may not be work related, employees also said to the media that the root cause is that they are upset under such an inordinate amount of stress.

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One of the root causes that Seligman identified was a national mood of entrenched cynicism.

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Discrimination and stigma has been one of the root causes that make MSM and Trans Gender (TG) people unable or unwilling to access health services.

UNESCO: BC General Assembly to Set the New Leadership for Better Recognition of the Contributions of MSM and TG People in Addressing and Facing Challenges | United Nations Educational, Scientific and Cultural Organization