There must be evidence.

得有确保的证据。

youdao

If you are an elder or pastor, there must be evidence that you are controlling your temper. There must be evidence that each day you are more gentle and patient than the day before.

如果你要做长老或牧师的话，在你生命里必须有能控制自己脾气的证明，而且也要有证据表明你一天比一天，一年比一年的更加温柔更有耐心。

youdao

There is good evidence that a small-headed counter oscillating electric toothbrush helps in removing dental plaque but they must be used correctly and your dentist or hygienist will advise.

很多研究证据表明使用小头反震荡电动牙刷有助于去除牙菌斑，但使用方式要正确并遵循牙医或牙科保健员的建议。

youdao

This does not apply to amounts that can be considered gifts instead of loans, and as such, there must be evidence that there was an understanding between you and the borrower that the amount was expected to be repaid.

FORBES: Overlooked Tax Deductions

No decision can be taken against Ms Thanou and in relation to point (a) if there is any evidence, which supports point (a), such evidence must be presented against Ms Thanou, so she could be able to counter it.

BBC: Exchange of letters between Thanou and IOC

But governments do not have the luxury of stopping there: policy must be decided, so, in the absence of compelling evidence, they must take a best guess.

FORBES: There Really is a Laffer Curve