确定的原因: Mainly because...主要因为 Primarily because...主要因为 The reason for this is...原因是 The basis for this is... 这个的依据是 This is due to ...这归结于 Due to..., 由于... The explanation for this is ...关于这个的解释是... 不是很确定的原因: This may be due to...这个也许是由于... One reason might be that...大概有一个原因是... The underlying cause could be ...起因可能是... It's possible that ...或许是... I assume that... 我假设是... There's the possibility that...可能是... |
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