董事会拒绝支持我们的计划。

The board refuses to ___back our plan.

当然，如果没有那些在战斗中支持领导者的人，他不可能取得成功。

Of course, without the people who are ___backing the leader in his fight, he could not achieve his success.

许多投资者愿意支持创新的初创公司。

Many investors are willing to ___back innovative startups.