Helping breeders quickly develop better varieties of all these crops will be crucial as the world population tops 9 billion by 2050 in the face of a changing climate.

VOA: standard.2010.02.01

But, and this will be the crucial point, notice Socrates should have continued the soul is invisible in that sense.

但是，这一点很重要，注意苏格拉底应该在这个意思上,继续阐述灵魂是无形的。

耶鲁公开课 - 死亡课程节选

Iqbal Khattak, a Peshawar-based journalist for the Daily Times newspaper, says for the army to be successful in South Waziristan, it will also be crucial for it to exploit tribal tensions that exist between the Mehsuds and Wazirs, the two major clans in the region.

VOA: standard.2009.06.18