副词无疑；毋庸置疑地网络毫无疑问；无疑地；毫无疑问地
副词
1. There will undoubtedly be trouble with the unions if the union leader is dismissed. 如果工会领导人被解雇，工会组织肯定会闹事的。
2. That is undoubtedly true. 那无疑是真的。
