We must sacrifice one can sing, depending on the need, or there is a particularly important reason that must sacrifice something to get another thing like sacrifice of self for the sake of per share.
The one thing that we must sacrifice. Be based on need Or have a very important reason. To sacrifice what is available. For one thing, such as the sacrifice of his own happiness. To benefit the
We have to sacrifice one may, depending on the need. Or a reason is also very important. Sacrifice what there is. For another thing, such as the sacrifice of their own happiness for the benefit to participate.