花开时可以折取就要及时折取，不要等到花谢了只能折取空枝。

To signal an emergency， use the rule of three； 3 shouts， 3 horn blasts， or 3 whistles.

The role of business is to produce products and services that make people's lives better—while using fewer resources—and to act lawfully and with integrity.

在商业中，就像在生活中一样，你必须冒险才能取得伟大的成就。