These are partly a matter of personal circumstances, partly a matter of psychology.
这里一方面是个人所处的环境，另一方面是个心理学的问题。
新概念英语第四册 Lesson 48 Planning a share portfolio

📚 句中词汇解析

从本句中提取的重要词汇

partly ['pɑrtli] 词频2 词根: 部分
adv. 在一定程度上;部分地;不完全地;半;
💡 part部分+ly表副词 →部份地
"Some people are unwilling to attend the classes partly because of the cost involved."
有些人不愿来上课，部分原因是所需的费用问题。
近义：part, partially 反义：off, outright, plumb, quite, roundly, thoroughly
personal ['pɝsənl] 词频1 词根: 声音
adj. 个人的，私人的;身体的;亲自的;人身攻击的; n. （报刊上的）人事栏，分类人事广告版;人称代名词;关于个人的简讯;
💡 person人+al...的 →个人的
"Her sole aim is personal aggrandizement."
她唯一的目的就是扩大个人权势。
近义：private, privy, cozy, cosy, cosey, cozie 反义：open, overt, patent, communal, cold, glassy
psychology [saɪ'kɑlədʒi] 词频3 词根: logy
n. 心理学;心理特点;心理状态;心理影响;
💡 psych灵魂 + ology...学 → 心理学, 心理状态
"The study of psychology has recently been widely cross-fertilized by new discoveries in genetics."
心理学研究最近从遗传学的新发现中受益匪浅。
matter ['mætɚ] 词频1
n. 事件;（讨论、考虑等的）问题;重要性;物质; vi. 要紧，重要;化脓;有重大影响;有重要性;
"Now we come to the crux of the matter ."
现在我们来谈问题的症结。
近义：import, signify, weigh, count, amount, issue
circumstances [['sə:kəmˌstənsis]]
[法] 事件, 事项, 详细情节
近义：situation, conditions, environment

📚 更多「新概念英语第四册」例句

It is true that during their explorations they often faced difficulties and dangers of the most perilous nature, equipped in a manner with would make a modern climber shudder at the thought,
确实，在探险中他们经常遇到惊心动魄的困难和危险，而他们装备之简陋足以使现代登山者一想起来就胆战心惊。
and we control it by means of the mud which we circulate down the drill pipe.
我们让泥浆顺着钻杆向下循环，用这种方法来控制压力。
The second factor is more interesting and more fundamental.
第二点更有意思，也更重要。
After all, all living creatures live by feeding on something else, whether it be plant or animal, dead or alive, and it is only by chance that such a fate is avoided.
因为一切生物都是靠吃别的东西来活命的，不管这种东西是植物还是动物，死的还是活的，因此，生物偶尔才能避免被吃掉的命运。
Was the philosopher who refused to look through Galileo's telescope more culpable than those who alleged that the spiral nebulae observed with Lord Rosse's great telescope in the eighteen-forties were scratches left by the grinder?
某位哲学家曾拒绝使用伽利略的望远镜去观察天空；到了19世纪40年代，有人硬把罗斯勋爵高倍望远镜观测到的螺旋状星云说成是磨镜工留下的磨痕。难道反对伽利略的哲学家比诋毁罗斯勋爵造谣者应受到更大的谴责吗？
We could, at one time, repair ourselves----well enough, at least,
而我们人，在一定时间内是可以自行修复的，