• We shall revert to this subject in a later paragraph; for the moment we assume that ...
• We will learn how to develop such equations in the next chapter; for now , we may rely on a set of tabulated equations given in Appendix D .
• The rms speed is different from ... ; for the present , the value of √u will be taken as indicative of ...
• For the time being , draw all plate boundaries as single lines, without any distinction as to the type of boundary each represents.