be confident in造句怎么写

Good people, good mood, good heart, think, speak well, be confident in life, work hard with sincerity, treat others with kindness, good people repay.

The problem, however, is that I can't be confident in giving you a good price unless I am confident your product will last.

In other words, you won't be confident in the face of constant uncertainty.

The only way to be confident in any situation is by having things to talk about no matter what happens.