抛光对牙齿必要或有益吗？
坦率地说，世界上存在一些或有益或无益的赚钱方式。
To put the point bluntly, there exist more or less useful ways of making a fortune.
也许你现在参加的俱乐部或活动没有以前那么有趣或有益。
Maybe you are involved in a club or an activity that it is not as fun or rewarding as it used to be.
CATs也被称作积极肯定或有益的自言自语，就像教练激励你不断努力，做到最好。
CATs, also referred to as positive affirmations or helpful self-talk, are like a coach motivating you to keep going, to be the best you can.
他们质疑将管理者嵌在主要计划者的位置是否必要或有益；而项目经理的角色意味着给别人的工作做计划。
They questioned the belief that casting the manager in the role of chief planner is necessary or beneficial; that the role of project manager means planning others' work for them.
无意或有益的过量使用药品(止痛药，镇静剂和抗抑郁药是最常见的过量使用的药品)和暴露的清洁用品。
Unintentional or intentional drug overdoses (painkillers, sedatives, and antidepressants are high on the list) and exposure to cleaning products.
每个人的时间都是有限的，当你对一项任务说“是”的时候，你就不得不对另外的一些机遇说“不”，尽管那些机遇现在对你来说可能是更加重要、紧急或有益的。
Time is a limited resource and when you say "yes" to one task, you have to say "no" to other opportunities that might be more important, urgent and beneficial to you at the moment.
尽管午睡已经被证实对身体有益，但很多公司都没有在休息室里为员工设置床这样休息的工具，或有足够长的午餐时间让你有时间偷偷溜回家小睡一会。
Despite the proven benefits of a mid-afternoon nap, most corporate offices don't keep cots in the lobby or give you a long enough lunch hour to sneak home and snooze for a bit.
我试着控制自己的精神状态，积累那些对自己的健康有益或有害的经验。
I try to manage my mental state, and I try to learn from experience what does or does not help.
我们的潜意识就像一个仓库，里面贮藏着潜在的能量可以导致有益或有害的结果。
Our unconscious is a tremendous storage plant full of potential energy which can be expended for beneficial or harmful ends.
换句话说，从直观的角度来讲，我们更关注那些可能会对自己有益或有害的人和物，富人同样如此，而社会地位较低的人却并非如此。
In other words, we pay more visual attention to people and things that might benefit or harm us - and for rich people, that's not those in lower social classes.
其他两组也非常相似，这支持这一观点，即这好像不是有益或有害。
It was fairly similar to the other two groups, really supporting the opinion that it doesn't seem to be beneficial or harmful.
然而，这些致癌添加剂留在我们的食物，而且变得更加困难的时候都知道，在加工食品的包装上的标签，事物是有益或有害的。
Yet, these carcinogenic additives remain in our food, and it becomes more difficult all the time to know which things in the packaging labels of processed food are helpful or harmful.
这是些小型氧气衍生分子，其中过氧化氢是其中之一，有可能是有益的或有害的。
These small oxygen-derived molecules, of which hydrogen peroxide is one, have the potential to be both helpful and hurtful.
对亚历山大和拿破仑的行为，不能简单地说有益或有害，因为我们说不出它为什么有益和为什么有害。
It is impossible to say of the careers of Alexander and of Napoleon that they were beneficial or harmful, seeing that we cannot say wherein the benefit or harm of humanity lies.
延迟和消除分岔现象，避免不良后果，或有目的地创建或强化有益的分岔现象，使其为人们所利用，是分岔控制理论研究的主要内容。
It is the main topics in bifurcation control to either delay (or eliminate) bifurcations for avoiding bad affects or creat (or enhance) beneficial bifurcation behaviors on purpose of utilizing them.
延迟和消除分岔现象，避免不良后果，或有目的地创建或强化有益的分岔现象，使其为人们所利用，是分岔控制理论研究的主要内容。
It is the main topics in bifurcation control to either delay (or eliminate) bifurcations for avoiding bad affects or creat (or enhance) beneficial bifurcation behaviors on purpose of utilizing them.
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