不少农民虽然懂得智力投资的重要性，但是限于经济条件，他们首先要培养男孩子，因为他们认为，男孩子是家庭中最稳定的成员。
Many farmers are fully aware of the importance of intellectual investment on their children.
因为写作内容而形成的空间联系虽然受限于物理条件（毕竟写作是一种物理媒介），但却肯定不是以物理条件为基础形成的。
The spatial relationships that are brought into being by knowledge of writing are constrained by physics, of course — after all, writing is a physical medium — but they are in no way grounded on it.
如果条件合适，则这样的攻击所导致的损坏程度可能仅限于黑客的SQL语言知识程度和数据库配置。
Given the right conditions, the extent of damage caused by such an attack may be limited only by the extent of the hacker's knowledge of the SQL language and the database configuration.
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