这种理论是,如果你赠送一把剃须刀,你可以通过出售大量刀片来弥补损失。
The theory is, if you give away a razor, you can make up the loss by selling lots of blades.
当然,你也可以选择沉默的方式来表达自己对这种行为的厌恶之情:把他车胎里的气放掉。
However, of course you can also choose to deal with it in a silent way to express your hatred of this behavior: to deflate the tire of bicycle.
这个问题很有难度,而且它花了我好久的时间来把它用这种总结的方式写出来。
” It’s a great question, and it’s taken me awhile to write this out in a cohesive way.
The signal comes in the form of molecules which we're going to call throughout the lecture here 'ligands'.
信号通常以分子的形式来传递,在这门课里我们把这种分子叫做配体
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