技术入门文档与设计哲学共存。
Technical how-to documentation lives with information about the philosophy of design.
我下面要讲的不是关于如何在光线不利的条件下拍摄的技术入门课，而是我自己得之不易的经验。
What follows is not a technical primer but advice from the hard-won lessons of getting pictures out of tough situations.
如果您尚不具备使用SSL的背景知识，那么这种技术则不是一个很好的入门。
If you do not have a background with SSL, though, our technique is not a good place to start.
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