Let's start by setting some limits.

首先，让我们设定一些限制。

They also suggest setting limits on the time you spend on social media.

他们还建议，限制花费在社交媒体上的时间。

Like other diets, intermittent fasting helps you lose weight by setting limits on eating.

和其他饮食一样，间歇性禁食通过限制进食来帮助减肥。

Some American states are starting to push back, setting limits on tools that gather this information.

美国一些州开始反击，对收集这些信息的工具进行限制。

EPA officials said early last year they would begin the process of setting limits on two of the chemicals, PFOA and PFOS.

美国环保署官员去年早些时候表示，他们将开始对PFOA（全氟辛酸）和PFOS（全氟辛烷磺酰基化合物）这两种化学品进行限制。

It seeks to prevent Iran from making a nuclear weapon by setting limits on its nuclear program in exchange for economic actions, such as easing sanctions.

该协议试图通过限制伊朗的核计划来阻止其发展核武器，以换取经济上的行动，比如放松制裁。

By setting limits to the protection of savers, this is an important advance in the government's promise to liberalise the financial system and encourage competition among banks.

设置保护储户的极限对于政府承诺放开金融体系、鼓励银行相互竞争来说，是一个重要的进步。

Work is the relationship we spend the most time in, and yet it's also the place where we have the hardest time setting limits.

工作是我们花费最多时间的关系，但也是我们最难设定限制的地方。

Only then can we create rules that can support these sexual strategies, such as setting a maximum size limit in addition to a minimum one.

只有这样， 我们才能创建支持这些性策略的规则，例如在最小尺寸之外设置最大尺寸限制。

And examples of these policies are reformulating foods, so they contain less salt, or setting limits on foods high in salt being served at public places like hospitals or schools.

这些政策的例子包括重新规划食品原材料，使其含盐更少，或限制医院或学校等公共场所提供的高盐食品。

Others need to understand what you're comfortable sharing with them and what's off-limits, and this can be difficult when you're not used to setting those limits for yourself.

其他人需要了解您愿意与他们分享什么以及什么是禁区，如果您不习惯为自己设定这些限制， 这可能会很困难。

But the Clean Power Plan was tied up in court after 28 states sued, arguing that the Obama administration went further than it was legally allowed in setting the limits.

但在 28 个州提起诉讼后， 清洁能源计划在法庭上被搁置，理由是奥巴马政府在设定限制方面走得比法律允许的更远。

" If we were really bold, we might even begin to think of high-calorie fast food in the same way as cigarettes — by setting strict limits on advertising, product placement and sponsorship of sports events, " he said.

“如果我们真的有担当，我们也许甚至已经开始把高热量的快餐等同于香烟一样考虑了——在广告、产品植入以及体育赛事赞助等问题上设置严格的限制，” 他说。

There's at least one more reason why so many pedestrians keep getting hit and killed in the U.S. Most states have legislation that requires engineers to use what's called the 85th percentile rule when setting their speed limit.

在美国，如此多的行人不断被撞死，至少还有一个原因。大多数州都有立法，要求工程师在设定速度限制时使用所谓的 85% 规则。