The newspaper business may not be growing , but it generates enough cashflow to sustain itself , says jeff logsdon of bmo capital markets .

蒙特利尔银行（bmo）资本市场部的杰夫罗格斯登说：“报纸业务也许并不会增长，但它带来的现金流足以维系自身运转。”

Logsdon said the relative simplicity of ares i-x , when compared to the ares I design , may make success more likely .

洛格斯登说，与战神一号相比，战神i-x火箭相对简洁，这将更容易获得成功。

" Any time you launch something new there 's always the possibility of an accident . This is still rocket engineering , " said john logsdon , a space policy expert and professor emeritus at george washington university in washington , d.c.

“任何时候新东西的发射永远有发生意外的可能，这就是火箭工程，”位于华盛顿特区乔治华盛顿大学的名誉教授、空间政策专家约翰罗格斯登说。

Planting a man on its surface required no big technological innovations , says mr logsdon , " just very expensive mastery over nature using the scientific and technological knowledge available in 1961 " .

将人送往月球表面并不需要太大的技术革新，罗杰斯顿说，“只是用1961年的科学技术知识来完成这次对自然的征服将是花费巨大的。”

Space analyst prof john logsdon from george washington university said the two nations needed to learn to trust each other first , perhaps in the field of robotic space science , before there could be wider co-operation .

乔治华盛顿大学的空间专家johnlogsdon教授说，在机器人太空科学领域展开更广泛的合作之前，两国首先要学会相互信任