So a thing that I have to worry about

所以我要担心的
is not just the extant competitor's Heartport,

不仅仅是竞争者的微创心脏手术
but I better think a little bit about who else is coming,

我还得想想还有哪些竞争者会出现
so I'm going to be thinking a little bit about what Michael Porter,

所以我要像迈克尔·波特那样考虑
who you also looked at I guess,

我估计你们都看过他的书
is new entry and how do I understand new entry?

去考虑潜在进入者
Then if I think about the flip side of Schumpeter

如果我从熊彼特的角度去想
not only am I worried about some new guys coming in and destroying me,

我不仅要担心一些新来的家伙来搞破坏
but as I come in I'm of course

如果我是新的进入者
competing against some existing players.

那我得和已经在市场上的对手竞争
I need to think a little bit

我得考虑一下
existing players

现在的对手