这些坦克车主要是用钢板制造的。
这本书主要是为初学者编写的。
她的工作主要是销售和广告宣传方面的。
会谈失败主要是由于反应迟钝和时机不对。
The failure of the talks was mainly due to insensitivity and mistiming.
这个广告的对象主要是十几岁的青少年观众。
The target audience for this advertisement was mainly teenagers.
这最主要是因为主要出口市场越来越不景气。
This is principally because the major export markets are slowing.
还有一些事故主要是由起飞时引擎故障导致的。
There were also several accidents mainly caused by engine failures on take-off.
每一平方米的土壤都用上了，主要是种植橄榄、葡萄藤和杏树。
Every square metre of soil was used, mainly for olives, vines, and almonds.
此次股市丑闻历久不散，主要是因为在此事如何处理上尚无共识。
The stock market scandal is refusing to go away, mainly because there's still no consensus over how it should be dealt with.
这篇文章主要是分享个人经历。
这篇文章主要是写给孩子们的。
广交会主要是一个进出口平台。
在现代，主要是中国南方地区的人们庆祝它。
In modern times, it is mainly celebrated by the people in the southern parts of China.
如今，“三月三”主要是在中国的南方地区庆祝的。
The Double Third Festival is mainly celebrated in the southern parts of China nowadays.
我选择中国主要是因为我年轻时学过中文。
I chose China mainly because I learned Chinese when I was young.
达伦·拉尔维斯冒险主要是为了追求改变与刺激。
游客来主要是因为那里的人很友好。
The tourists come mainly because of the friendliness of the people there.
它主要是关于健康的重要性。
它主要是关于特殊药物的。
思想主要是用言语和其他符号来表达的。
回收利用主要是通过节约能源来改善环境。
主要是在管弦乐队里。
其审美理想主要是多样性、自然性和求新性。
Its aesthetic ideal is mainly of variety, nature and fashion seeking.
我是个设计师。我设计皮具，主要是鞋子和手袋。
I'm a designer. I design leather goods, mainly shoes, and handbags.
研究表明，这可能主要是由于使用背包不当造成的。
Research shows that this could be mainly caused by improper use of backpacks.
我只有几个问题，主要是关于你们打算在哪里投放这些广告。
I only have a couple of questions, mainly about where you intend to place these advertisements.
我想，那主要是因为好莱坞只选那些有优雅的英式口音的人。
I think that's mainly because Hollywood only ever chooses people with a very posh English accent.
我明白了，所以主要是针对那些决定放弃并转到其他学科的人。
I get it, so it's mainly for people who decide to withdraw to change to new courses early on.
这项业务主要是改造更新现有的飞机。
Much of this business involves retrofitting existing planes.
展开该调查的目的主要是为了安抚那些压力集团。
The investigation was undertaken primarily to mollify pressure groups.
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