but - by p
- but a few years later ...
- but actually we know nothing about this difficult matter ...
- but all this does not mean that there is no regularity in ...
- but apparently, ...
- but even this more precise definition does not satisfy ...
- but for whatever reason, this ...
- but I am not really convinced of thеse objections ...
- but in fact, only 2 forms are opposed ...
- but in N's opinion these cases may be differentiated due to ...
- but in spite of many predictions, these particular changes have had little effect on ...
- but it can be claimed that ...
- but it is probably better to ...
- but it is rare for ... not to have ...
- but it must be said that ...
- but like those ...,these ... have nothing to do with ...
- but more often ...
- but my special thanks must be reserved for those who ...
- but now, it will be a critical factor ...
- but of course ...
- but one thing is quite unavoidable, it is ...
- but only two decades later ...
- but perhaps the most striking of all indications of ... remains ...
- but predictions of ... may be premature ...
- but significantly, ...
- but some doubts linger ...
- but that is a weak argument to prove ...
- but the general aim have remained largely the same ...
- but the meaning given to ... is frequently quite arbitrary ...
- but the situation changes when we consider ...
- but then the purpose of such course is ...
- but there are obvious problems with ...
- but there were still problems ...
- but these exceptions are to be explained ...
- but this advantage is perhaps exaggerated ...
- but this is a matter of understanding ...
- but to say that is like saying that ...
- but two main theories about ... are ...
- but unless we know the exact number of ..., we cannot be certain ...
- but we also have to know what kind of ...
- but we can’t make use of ...