He is merely throwing the idea forward for discussion, it is not cast in stone.

他只是抛出个想法供讨论，不是固定不变的。

《柯林斯英汉双解大词典》

LEWIN Now, Peter decides at one point that instead of throwing the sandwich backwards, he can also throw the sandwich forward, because, look, we have here the red ellipse.

12点方向，三明治移动。，LEWIN：，12：00，，there，goes，the，sandwich。,现在Peter决定在一个点,而不是把三明治向后扔，他也可以向前仍，因为，看，公色的椭圆轨道。

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Indoors, a bounce card like this has the added benefit of throwing light onto your subject from two directions, forward and bounced off the ceiling.

在室内，这种反光板还有一些额外的好处，可以从两个方向给被摄体打光：直接反射光和天花板发射光。

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Sunderland were throwing everything forward but just could not score.

BBC: Sunderland 2-1 West Ham

The home side became increasingly desperate in their search for an equaliser, throwing more and more men forward.

BBC: Ipswich 0-1 Derby

Goalkeeper Matt Gilks played his part by throwing the ball quickly to the Congolese forward, and although he was fortunate to play a one-two with Kevin Phillips, he strode towards the edge of the box to curl into the top corner past Stephen Bywater.

BBC: Sheffield Wed 0-3 Blackpool