免疫系统是抗击癌症的关键。
"The immune system is the key to fighting cancer."
Integrity is the foundation of all successful relationships, both personal and professional.
做你自己，其他角色都已经有人扮演了。
"The key to AI is understanding how to build systems that can learn from data."
我从未怀疑过自己。我知道我会有所成就。