For the needs of spin machine, a lot of foreign varieties were introduced, and promoted a great leap of variety evolution.

为适应新的机械纺织的需要，国外优良品种被大量引入，促进了品种进化的一次飞跃。

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Forty-five years to the day after Martin Luther King spoke of his dream, America will take a giant leap towards the realisation of that great call for justice.

距马丁·路德·金讲出他的梦想已经有四十五年过去了，美国将朝着对于公正的伟大呼唤的实现迈出重要的一步。

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Depending on the weather, Fournier, a 64-year-old retired French army officer, will attempt what he is calling Le Grand Saut (The Great Leap) on Sunday from the plains of northern Saskatchewan.

如果天气允许，弗尔涅，这个64岁的退役法国陆军军官，将在本周日萨斯喀彻温省北部平原上尝试这次壮举，这一举动也被他本人称为“伟大的一跃”。

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However, let us not take too great a leap of faith and contend that any period where the CAPE ratio above the long-term average indicates the market is overvalued.

FORBES: CAPE Advocats Say Equities Overvalued...They Are Wrong.

Forty-five years to the day after Martin Luther King spoke of his dream, America will take a giant leap towards the realisation of that great call for justice.

ECONOMIST: Barack Obama still has a lot to do

Of course, a great leap toward alleviating our aggravating air travel experiences would be to remove the air traffic control (ATC) system from the auspices of the Federal Aviation Administration (safety oversight would remain with the government).

FORBES: Fact and Comment