求spare no effort和spare no expense造句

求spare no effort和spare no expense造句 spare no expense spare no pains和spare no effort有什么区别? spare no effort 和 spare no efforts的区别 spare no effect还是spare no effort? make every effort 和spare no effort意思一样吗? make every/devote every/spare no +effort? Ishod spare no effort to love spare no effort to的effort要否加s? spare no effort effort要加s吗 是spare no effort to do还是spare no efforts to do? We must spare no effort to do it.