重型的

Table 2.2 Infrastructure in different transport modes Road - Public No inherent guidance Infrastructure provided - Private Artificial, shared way centrally at public expense and at nominal cost to users Rail -Heavy Inherent guidance Track and control centrally - Light Artificial, dedicated way provided and charged to - Metro operators at full cost or owned by operators Air Natural, shared way Infrastructure provided by third party at full cost Maritime -Coastal/short Natural, shared way Infrastructure provided by sea No inherent guidance third party and charged at full Deep sea cost Inland water Natural or man-made Infrastructure provided by shared way third party and charged at full No inherent guidance cost Pipelines Artificial, dedicated way Infrastructure usually Inherent guidance provided by user All modes (except pipelines, although a travelator or moving walkway' may be considered a pipeline) carry both freight and passengers.

表2.2 不同运输方式的基础结构公路公共私人没有固有的牵引人造的，共享的方式基础设施由中央以公共费用和以使用者名义上的成本来提供铁路重型轻型地铁固有的牵引人造的，独占的方式铁轨和控制设施以完全成本的形式提供和向运营者收取费用或者由运营者所独有航空自然的，共享的方式基础设施由第三方提供并以完全成本方式收取费用海运沿海／近洋远洋自然的，共享的方式没有固有的牵引基础设施由第三方提供并以完全成本方式收取费用内河水运自然或人工的，共享的方式，没有固有的牵引基础设施由第三方提供并以完全成本方式收取费用管道人工的，专属的方式固有的引导基础设施通常由用户提供所有的运输方式（除了管道，尽管自动扶梯也可以被看作是一种管道）既能载人也能载货。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷