no risk

基本解释

But have no fear, there is no risk of collision, at least for the next century or so (forecasting much beyond that is tricky).
但是至少到下个世纪为止无需担心有碰撞的危险（也没有预报的那么棘手）。
Donating blood at an approved donation centre should carry no risk, as all equipment should be sterile and blood collection needles are not reused.
在经批准的捐赠中心进行捐赠血液没有风险，因为所有设备都经过无菌消毒，采血针头也不会重用。
It makes sense to leave the ovaries if there is no risk factors or pathology at the time of surgery, especially in young women since those are the ones who seem to be most affected.
斯科西亚说，“如果在手术时没有出现危险因素或病理原因，那么保留卵巢就是合理的，尤其是那些年轻妇女，因为她们似乎是受到影响最大的人群。”

And it says there is no risk of infection from eating well-cooked meat from pigs.
.. That person-- I should have maybe included that in the diagram-- that person could get 5% return with no risk.
那种人-,我也许该把种情况也包含到图里的-,他能够获得5%的无风险收益。
耶鲁公开课 - 金融市场课程节选
It's like a fourth asset but we're using a special feature of this asset: that it has no risk.
如同第四种资产,我们将利用这个资产的特性：,即无风险特性。
耶鲁公开课 - 金融市场课程节选

Most of these scams hooked their prey by promising high income with little or no risk.
FORBES: Thank Goodness for Index Funds