which,
else,
plays role
check out
lower
whether or
no matter
compete with
As
go abroad 出国
which 定语从句
else 还能做什么
plays role 扮演重要角色
check out检查
lower 减低声音
whether or 是否
no matter 无论
compete with 竞争
As 正如 注意首字母大写
go abroad
which
else
plays, role
check out
lower
whether, or
no matter
compete with
As
2, which
3, else
4, plays role
5, check
6, lower
7, whether or
8, no matter
9, compete
10, As
1.go abroad