And then you also have to watch  out for consonants that can sound like vowels at the beginning of  abbreviations, like L, M, N, S and X. An LLC An MBA An NFL player And so on.

然后， 您还必须注意缩写开头的听起来像元音的辅音，如 L、M、N、S 和 X。 LLC、MBA、NFL 球员等等。