Video is particularly helpful as it can be watched many times, with the presenters focusing on one part at a time.
录像是很有用的，因为它可以观看很多次，让演讲人可以一次集中于一个部分。
Once there was a very helpful and kind-hearted man.
从前，有一个非常乐于助人、心地善良的人。
Try offering a piece of helpful advice or invite someone you just met to grab coffee or lunch with you the following week.
试着提供一些有用的建议，或者邀请你刚认识的人在下周和你一起喝杯咖啡或者吃顿午餐。
An A to Z of careers gives helpful information about courses.
一本按字母顺序排列的职业手册，提供了有助于课程选择的信息。
I wanted to be helpful with a chore.
我希望自己能对家务能有帮助。
It is helpful to use well-known ideas such as an ambulance siren or a gunshot because these sounds carry a lot of context with them.
使用诸如救护车汽笛或枪身之类众所周知的音效是有帮助的，因为这些声音本身蕴含了环境信息。
他是一个有用的人。
It is agreed that the Internet is a very helpful tool for education.
人们一致认为，互联网是一种非常有帮助的教育工具。
It was a trait others found helpful, and I soon had friends who wanted to make things with me.
这是一个别人觉得有用的特点，我很快就有朋友想和我一起做东西。
As an executive coach, I've seen image upgrades be particularly helpful during transitions—when looking for a new job, stepping into a new or more public role, or changing work environments.
作为一名高管教练，我看到形象升级在过渡时期特别有帮助——当寻找新工作、步入一个新的或更公开的角色，或改变工作环境时。
This is a very sensible way for an animal to make decisions in the wild and would have been very helpful for humans for thousands of years.
这是动物在野外做决定的一种非常明智的方式，且几千年来，本可以对人类有帮助。
It's helpful to put children in a situation where they can see themselves differently.
让孩子们处在一个他们能以不同的方式看待自己的环境中，这是很有帮助的。
You'll find it helpful to talk things over with a friend.
把情况和朋友详细聊一聊，你会觉得大有帮助。
You deserve a reward for being so helpful.
你帮了这么大的忙，理应受到奖励。
I like Google. It's a cuddly company, and endlessly helpful.
我喜欢谷歌。这是个惹人喜爱的公司，而且给人无尽的帮助。
It would be helpful if your parents encourage you to do a little packing and cleaning from now on.
如果你的父母鼓励你从现在开始做一点包装和清洁工作，这将是有帮助的。
In many circumstances, social connection is actually more helpful to your daily life than understanding the truth of a particular fact or idea.
在许多情况下，相较于理解某一事实或观点的真相，社会联系实际上对你的日常生活更有帮助。
So the need to quickly recognise things that could be helpful or harmful could have had a great influence on rock art and explain why some images are more common across cultures than others.
因此，快速识别事物是有益还是有害的需求可能对摇滚艺术产生了巨大的影响，并解释了为什么一些形象在不同文化中比其他的更常见。
You can actually initialize multiple things at once by separating them with a comma, and this is sometimes helpful.
实际上，您可以通过用逗号分隔多个事物来一次初始化它们，有时这很有帮助。
Outside directors are supposed to serve as helpful, yet less biased, advisers on a firm's board.
外部董事应当成为公司董事会得力又客观的顾问。
A girl who wants to be a stewardess must be pretty and helpful.
一个想成为空姐的女孩必须漂亮而且乐于服务。
It would be helpful if someone uncovered a Diprotodon skeleton with a spear point embedded in a rib — or perhaps Thylacoleo bones next to the charcoal of a human campfire.
如果有人能在人类篝火的炭火旁发现一具肋骨插着矛尖的双原齿动物骨架，或者发现袋狼的骨头，那将会很有帮助。
我是名乐于助人的医生。
A smart, helpful man dug out a Windows CD and told me it wouldn't be a problem.
一个聪明的、乐于助人的人找到一张Windows光盘，并告诉我这不是个问题。
That is very helpful for a long trip.
这对长途旅行很有帮助。
And if you find music helpful, give it a go.
如果你觉得音乐有帮助，那就试试吧。
It is helpful to have a clear idea of what you want.
清楚地知道自己想要什么大有裨益。
It is helpful to create a playlist of the best study music.
创建一个最佳学习音乐的播放列表是很有帮助的。
Technology is a helpful way to save food but not the only one.
技术是节约粮食的一种有用方法，但不是唯一的方法。
Claire asked the school board to add solar panels to the project. Because, she explained, clean energy would be helpful to a really modern school.
克莱尔请求学校董事会将太阳能电池板的使用纳入项目。她解释说是因为清洁能源的使用有助于学校现代化建设。
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