他忙于搜集有关鸟类的资料。
于是我们搜集了国内能找到的一切有关技术资料。
Then we collected all relevant technical data available in the country.
不要评论——只是尽可能搜集有关的资料，之后再筛选。
Do not critique - just gather as much information as possible and filter it later.
尽管我对长征了解得不多，但是我仍然尽力去搜集所有关于长征的资料。
Though I know not much about the Long March, I still try my best to collect some information about it.
尽管我对长征了解得不多，但是我仍然尽力去搜集所有关于长征的资料。
Though I know not much about the Long March, I still try my best to collect some information about it.
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