分词翻译
知的英语翻译：
be aware of; be in charge of; inform; know; notify; realize难的英语翻译：
adversity; bad; blame; difficult; disaster; hard; hardly possible而的英语翻译：
and that; moreover进的英语翻译：
advance; come into; enter; move forward; receive; resent; score a goal
【经】 index numbers of value of imports or exports
