While it is a displacement activity , the ban is not costless .
尽管这是一项无用功，但该禁令并非没有成本。
To float the renminbi is not costless .
允许人民币自由浮动并非没有代价。
None of these solutions is exactly costless .
这些方法中没有一个是完全零成本的。
The strategies make use of simple messages that can generate significant returns with changes that are virtually costless .
这类策略利用的都是简单的信息，能够产生相当可观的收益，而达成这种改变的成本几乎可以忽略不计。
In rising states , growing prosperity and costless communications technology are emancipating hundreds of millions of people who have hitherto been locked out of politics .
