avenue
/ˈævənju:; ?@ -nu:; `ævəˌnu/ n
1 wide road or path, often lined with trees, esp one that leads to a large house （常为两旁有树的）大道, 林荫道（尤指通往一宅门者）.
2 (abbr 缩写 Ave) wide street lined with trees or tall buildings （两旁有树木或高楼的）大街. =>Usage at road 用法见road.
3 way of approaching or making progress towards sth 途径; 手段
an avenue to success, fame, etc 成功, 成名等之路
Several avenues are open to us. 我们面前有几条可行之路.
We have explored every avenue. 我们已经探索过了各种途径.