Ever since humanity began to farm our own food, we've faced the unpredictable rain that is both friend and enemy.

自从人类开始种植自己的食物以来，我们就面临着无法预测的友敌：降雨。

youdao

Since humanity had the clothing, color was being used continuously to dress up human.

自从人类有了服装以来，色彩就一直被用来装扮人类。

youdao

Since humanity cannot go about killing people in order to save the world, appropriate childbearing, and eugenics could both be better choices.

人类故不能为了拯救世界而去杀人。但是，适当的晚育，优生都会是更好的选择。

youdao

In March, the International Criminal Court at The Hague issued an arrest warrant for Sudan's president on charges of war crimes and crimes against humanity for atrocities committed in the Darfur region of his country since 2003.

VOA: standard.2009.06.11

Since humanity would then be a multi-planet species, he argues we would be ready, both technologically and financially, to make the huge leap out to the asteroids and Mars.

FORBES: Space Architecture And View Condos In Low Earth Orbit

That is about a quarter of all the CO2 put there by humanity since 1750.

FORBES: To The Horror Of Global Warming Alarmists, Global Cooling Is Here

People have asked these questions since the dawn of humanity, but the answers have kept changing.

ECONOMIST: The universe