1. In 'Luckily, I didn't tell anyone' and 'Financially, we have a serious problem', 'luckily' and 'financially' are sentence adverbs. 在句子Luckily, I didn't tell anyone和Financially, we have a serious problem中,luckily和financially是句副词。
2. Write with nouns and verbs, not with adjectives and adverbs. 写作时要用动词和名词,而非是形容词和副词。