状语（Adverbial）
状语是用来修饰动词、形容词、副词的，表示时间、地点、原因、方式、程度等。
作状语的词有副词或相当于副词的其它词、短语、从句。如：
Accounting is one of the fastest growing fields in modern business world. 会计是现代商业领域中发展最快的部门之一。
To explain the difference briefly， the accountant sets up a bookkeeping system. 为了简洁地解释差异现象，会计师建立起簿记系统。
Personally， I hope you will make a holiday tour with me. 就我个人而言，我希望你能和我一起作一次假日旅游。
He was disappointed because his love of her was unrequited. 他感到失望，因为他对她的爱没有得到报答。
Seeing this， they became very worried. 看到这种情况，他们心里很着急。
Taken in time， the medicine will be quite effective. 如果吃得及时，这药是很有效的。