If you mean to say something like 'me gustaría exponer (las razones, las causas…)', please, do not use "expose". You can say:
I would like to outline the main reasons why
I would like to point out the causes of …
A new study points out that 30% of students…
The verb 'expose', on the other hand, means something different:
Oxford dictionary (for example, def. no.2)
to make public something bad or dishonest/Reveal the true, objectionable nature of (someone or something) [among other meanings which do not mean 'exponer ideas o argumentos']