(资料图片)
1、certainly, for certain, of course, surely, for sure, undoubtedly,no doubt 等等都是可以的。
2、当然：certainly; of course; without doubt; as it should be;肯定：sure; certain; affirm; definite;一定：definite; fixed; established; constant; all to nothing;。
本文就为大家分享到这里，希望小伙伴们会喜欢。
