Digital ads promise to cut waste in media buys, he says.

他说，数字广告保证广告经费的浪费。

Providing prisoners with vitamins and minerals supplements reduces violence by a third compared to placebo.

与安慰剂相比，向囚犯提供维生素和矿物质补充剂三分之一的暴力行为。

It's also likely reduced the food available to subsistence fishers—many of whom rely on stores of salmon to get them through the long, harsh winter—by as much as 26%.

这也能将自给自足渔民获得的食物26%之多，而他们许多人依赖鲑鱼储备度过漫长的严冬。

A study by researchers in the Netherlands found that gardening may reduce the stress hormone cortisol in the brain.

荷兰研究人员的一项研究发现，园脑中的激素皮质醇（压力荷尔蒙）。

I'm reducing my availability, so I probably don't have availability.

我正在授课的时间，所以能没有空档了。

This is about working toward reducing your waste in a way that's sustainable for you.

这关乎以持续的方式你的垃圾。

There's less people using Instagram, there's less reach to go around, creators start leaving, less people then use Instagram, there's less reach to go around still, and you're in a negative feedback cycle.

随着使用Instagram的人数，触及的用户范围也随之缩水，创作者们开始流失，这又导致更的人使用Instagram，触及的用户范围进一步缩小，如此循环往复，形成了一个负面反馈的恶性循环。

So we just decided that we would devote a half a billion dollars over ten years to seeing how we could reduce preventable cases of maternal mortality.

因此，我们决定在十年内投入 5 亿美元，研究如何预防的孕产妇死亡病例。

And the fact that it was always on reduced the thermal cycling of the filament and components limiting the stress caused by thermal expansion and contraction.

而且它始终处于开启状态灯丝和组件的热循环，从而限制由热膨胀和收缩引起的应力。

The " live-fast, die-young" approach of aspen and birch leaves less fuel for wildfires to chew up and spit out into the atmosphere as carbon dioxide.

白桦和杨树的“快速生长、早逝”特性，使得野火燃烧的燃料，从而降低了它们将二氧化碳喷吐回气中的能性。

It's made with science-backed and gentle ingredients like mandelic acid, giving double protection that is clinical strength and reduces sweat by 92%.

它采用经过科学验证且温和的成分，如扁桃酸，提供双重防护，具有临床级效果，92%的出汗。