两国间的贸易摩擦是由贸易保护主义者引起的。
The real world, however, is full of frictions.然而，现实世界充满了摩擦。
By doing so, we will become more easy-going and accessible, and thus more likely to avoid unnecessary conflicts and frictions with others, a common trigger for a failed relationship.这样，我们会变得更随和，更容易接近，从而更有可能避免与他人不必要的冲突和摩擦，而不必要的冲突和摩擦是导致一段失败的关系的常见因素。
