虽然与部分专注于二次设备或特定细分领域的同行相比，公司的净利率还是比较低，但在重资产、长周期的输变电行业，且毛利率受制于原材料（钢材、硅钢片、铜铝有色金属）的刚性成本约束，盈利水平还看得到改善空间。
It’s used in a lot of places that don’t make a lot of noise about it (some might surprise you), and there are still plenty of big established names like Shopify, Soundcloud and Basecamp running on Rails. Oh and GitHub, although I’m not sure we should shout about that anymore… But. While the Stack Overflow survey isn’t necessarily an accurate barometer of developer opinion, the positions of Ruby and Rails do show it’s fallen from grace in recent times. Anecdotally, I find a lot of documentation or guides that haven’t been updated for several years and the same goes for a lot of gems, plugins and other projects. Banners like this are becoming more and more common:
。业内人士推荐新收录的资料作为进阶阅读
В Пекине китайской мудростью объяснили проблему войны на Ближнем ВостокеВан И древней китайской пословицей объяснил позицию Пекина по Ближнему Востоку
Photograph: Simon Cohen
，详情可参考新收录的资料
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