expression
there's no other way; there are no other options
Used when one has exhausted all alternatives and must accept the current course of action. Often implies resignation or determination.
See also: 他に方法はない (ほかにほうほうはない)
もう他に方法がないから、これで行くしかない。
There's no other way now, so we have no choice but to go with this.
彼は他に方法がないと悟って、諦めた。
Realizing there were no other options, he gave up.
A straightforward phrase composed of 他に (in addition, else), 方法 (method, way), and がない (there is no).