我想说是脑，但与心也是有关联的，因为恋爱这个复杂的概念即是自底向上的又是自顶向下的，即是从脑到心的，又是从心到脑的。
I would say the brain, but the heart is also related because the complex concept of love is formed by both bottom-up and top-down processes from the brain to the heart and vice versa.
正如后世一位历史学家所述，开封城为双重防御幕墙环绕，统御宇宙；即是帝都，又是商业中心。
The city served, as one later historian describes it, as “both court and emporium”, ringed by a double curtain of defensive walls, “square for cosmic order”.
数字踪迹即是一种安慰又是一种遗憾。
她曾经出面在这个星期早些时候的音乐电视颁奖礼上，和双栖明星即是说单口相声的喜剧演员又是脱口秀主持人切尔西·海德勒共同表演了一幕滑稽短剧。
She also appeared at the MTV Video Music Awards earlier in the week, performing a skit with stand-up comic and talk show host Chelsea Handler.
在电影《X战警前传：金刚狼》中，一个超级战士项目缔造了超级盖世英雄——“金刚狼”，与其一同出演的还有即是敌人又是哥哥的“剑齿虎”及许多武器。
A super soldier program produces Marvel superhero Wolverine in the movie "X-Men Origins: Wolverine, " along with rivals Sabretooth and Weapon XI.
读者们正被编织进一个日渐复杂的新闻生态系统，在那里他们即是消息来源，又是参与者，也是传播者。
Readers are being woven into the increasingly complex news ecosystem as sources, participants and distributors.
这个方案和巴西建筑传统对话，即是殖民的又是现代的，使用历史上相似的空间用于空间过渡。
This solution dialogues with the tradition of Brazilian architecture, both colonial and modern, which used historically analogous Spaces for spatial transitions.
对某一个人来说，即是特有的，又是根据看见色彩时的具体情况而变化的。
As for some individuals, this is not only specific but also changeable as a color in sight.
房地产即是消费品又是投资品，其价格波动受贷款规模、市场预期、需求规模、土地投机等因素的影响。
Real estate is regarded as consumer goods and investment. Its price fluctuation is influenced by such factors as loan scale, market expectation, demand scale and land speculation.
在P 2 P系统中，每个节点即是客户机，又是服务器，所有的数据交换都是在节点间完成。
In P2P system, each node is both a client and a server, and all data interchange can be finished among the nodes.
在电气化铁路轨道电路中，两条钢轨即是轨道信号的传输线，又是电力机车牵引电流返回变电所的回流线。
In electric railway track circuit, the two steel tracks are both transmission line of the track signal and return line for electric locomotive tractive current back to electric substation.
类似的困难也存在与现代物理学中。举个例子，著名的“波粒二象性”，一个客体同时即是波又是粒子。
To site an example, the famous "wave particle duality", where an object is both a wave and a particle simultaneously.
正如后世一位历史学家所述，开封城为双重防御幕墙环绕，统御宇宙；即是帝都，又是商业中心。
The city served, as one later historian describes it, as "both court and emporium", ringed by a double curtain of defensive walls, "square for cosmic order".
正义之爱：德鲁伊即是审判者又是法律的创造者，传说中的德鲁伊也十分仁慈，而不只是正义和惩罚的代表。
Love of justice: Druids were judges, and law-makers. Traditionally Druids are interested in restorative, not punitive, justice.
在很多情况之下，他们即是生产专家又是营销天才或经验丰富的金融家。
In, many cases, production experts are also marketing geniuses or skilled financiers.
OM A创始人和合伙人库哈斯说：“建筑反映了纽约建筑传统的退台形式，其外形即是是熟悉的，又是新颖的。”
"Mirroring the traditional New York setback, the building's form is at once familiar and distinctive", said OMA founder and partner Rem Koolhaas.
他们的头，J&L空中客车的负责人，布莱特-拉森早就到了，那辆银色的考维特跑车对他来说即是他的朋友又是他的伙伴，还有那辆红色的福特福克斯说明他们的秘书小姐克伦-凯明斯基也已经到了。
The silver Corvette meant his friend and partner, Bret Larsen—the L of J&L Executive Air Limo—was already there, and the red Ford Focus signaled the presence of their secretary, Karen Kaminski.
他们的头，J&L空中客车的负责人，布莱特-拉森早就到了，那辆银色的考维特跑车对他来说即是他的朋友又是他的伙伴，还有那辆红色的福特福克斯说明他们的秘书小姐克伦-凯明斯基也已经到了。
The silver Corvette meant his friend and partner, Bret Larsen—the L of J&L Executive Air Limo—was already there, and the red Ford Focus signaled the presence of their secretary, Karen Kaminski.
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