转折关系：

　　but;

　　even so;

　　however;

　　though;

　　even though;

　　independent of;

　　reckless of;

　　despite that;

　　in spite of that;

　　regardless of;

　　yet...;and yet;

　　but unless.

　　并列关系：

　　and;

　　also;

　　too;as well as;

　　either...，or...;

　　both...nd...