Example sentences of "[noun] by [Wh det] it [vb mod] [vb infin] " in BNC.

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1 There is no difficulty in explaining how a structure such as an eye or a feather contributes to survival and reproduction ; the difficulty is in thinking of a series of steps by which it could have arisen .
2 The government , however , was reluctant to co-operate with a US plan by which it would use some of its abundant currency reserves to tackle the Third-World debt crisis .
3 The greatest obstacle to the acceptance of the drift hypothesis was not so much the nature of this supporting evidence ( although alternative explanations were readily proffered ) but rather the failure to find a convincing mechanism by which it could occur .
4 If money supply changes , what is the mechanism by which it will affect aggregate demand ?
5 The general safety requirement is encapsulated in s10(2) which provides : ( 2 ) For the purposes of this section consumer goods fail to comply with the general safety requirement if they are nor reasonably safe having regard to all the circumstances , including ( a ) the manner in which , and purposes for which , the goods are being or would be marketed , the get-up of the goods , the use of any mark in relation to the goods and any instructions or warnings which are given or would be given with respect to the keeping , use or consumption of the goods ; ( b ) any standards of safety published by any person either for goods of a description which applies to the goods in question or for matters relating to goods of that description ; and ( c ) the existence of any means by which it would have been reasonable ( taking into account the cost , likelihood and extent of any improvement ) for the goods to have been made safer .
6 ‘ . The transformation of the industry would undoubtedly be both costly and painful but it was the only means by which it could ensure a future for itself .
7 Each science in its infancy has had to establish the assumptions and procedures by which it could claim to extend our knowledge of nature .
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