Walks the ExprState-steps[] array (PostgreSQL's expression evaluation opcodes)
「由於海外引進利潤更高，仲介往往說服雇主選擇新聘海外移工，使得在台移工轉換雇主更加困難。」
，详情可参考51吃瓜
The idea was it should be extensible by something else that could move faster than the Python standard library.，这一点在Line官方版本下载中也有详细论述
Фото: Илья Питалев / РИА Новости