What are phrasal verbs? And what differences are there between phrasal verbs and their corresponding single verbs?

What are phrasal verbs? And what differences are there between phrasal verbs and their corresponding single verbs?

What are the major factors affecting people’s choice of styles?

您有何高见?

—定在下雪，外面这么亮。

黄页(电话)査号簿

Please give us your comments or suggestions. (用敬语翻译)

Hello. This is Jane speaking. Who’s calling? (电话用语)

The child is father of the man.

What conceptual differences are there between“social sciences” and “社会科学”?

How is the term“journalese”defined?